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BOSTON MARATHON 2026

Jacqueline Gregg

Bib: 27538β€’F

NY

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F55-59)
#0 / 951
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
32:39
3.11 mi
Rank: #27200
Start β†’ 5K
32:39 | 10:31/mi
10K
1:05:49
6.21 mi
Rank: #27208 (-8)
5K β†’ 10K
33:10 | 10:41/mi
15K
1:40:41
9.32 mi
Rank: #27429 (-221)
10K β†’ 15K
34:52 | 11:14/mi
20K
2:17:50
12.43 mi
Rank: #27642 (-213)
15K β†’ 20K
37:09 | 11:58/mi
HALF
2:25:31
13.11 mi
Rank: #27645 (-3)
20K β†’ HALF
7:41 | 11:17/mi
25K
2:55:41
15.53 mi
Rank: #27700 (-55)
HALF β†’ 25K
30:10 | 12:27/mi
30K
3:35:29
18.64 mi
Rank: #27711 (-11)
25K β†’ 30K
39:48 | 12:49/mi
20M
3:53:29
20.00 mi
Rank: #27731 (-20)
30K β†’ 20M
18:00 | 13:16/mi
21M
4:08:07
21.00 mi
Rank: #27742 (-11)
20M β†’ 21M
14:38 | 14:38/mi
35K
4:17:16
21.75 mi
Rank: #27735 (+7)
21M β†’ 35K
9:09 | 12:14/mi
23M
4:33:19
23.00 mi
Rank: #27723 (+12)
35K β†’ 23M
16:03 | 12:50/mi
24M
4:45:27
24.00 mi
Rank: #27695 (+28)
23M β†’ 24M
12:08 | 12:08/mi
40K
4:56:49
24.85 mi
Rank: #27693 (+2)
24M β†’ 40K
11:22 | 13:18/mi
25.2M
5:01:34
25.20 mi
Rank: #27680 (+13)
40K β†’ 25.2M
4:45 | 13:47/mi
FINISH
5:13:13
26.22 mi
Rank: #27658 (+22)
25.2M β†’ FINISH
11:39 | 11:26/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:25:31
Pace11:07 /mi
2nd Half
Distance13.11 mi
Time2:47:42
Pace12:48 /mi
πŸ“ŠPositive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:2832:3910:3132:39
10:31
-
10K
6.21 mi12:29:381:05:4910:3633:10
10:41
+0:10
15K
9.32 mi13:04:301:40:4110:4934:52
11:14
+0:33
20K
12.43 mi13:41:392:17:5011:0637:09
11:58
+0:44
HALF
13.11 mi13:49:202:25:3111:077:41
11:17
-0:41
25K
15.53 mi14:19:302:55:4111:1930:10
12:27
+1:10
30K
18.64 mi14:59:183:35:2911:3439:48
12:49
+0:22
20M
20.00 mi15:17:183:53:2911:4118:00
13:16
+0:27
21M
21.00 mi15:31:564:08:0711:4914:38
14:38
+1:22
35K
21.75 mi15:41:054:17:1611:509:09
12:14
-2:24
23M
23.00 mi15:57:084:33:1911:5416:03
12:50
+0:36
24M
24.00 mi16:09:164:45:2711:5412:08
12:08
-0:42
40K
24.85 mi16:20:384:56:4911:5711:22
13:18
+1:10
25.2M
25.20 mi16:25:235:01:3411:594:45
13:47
+0:29
FINISH
26.22 mi16:37:025:13:1311:5811:39
11:26
-2:21

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

10:31 /mi

Average Pace

11:57 /mi

Slowest Pace

14:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:00:01

38% of race

Time at Steady Pace

1:28:36

28% of race

Time at Slower Pace

1:44:36

33% of race

Average Pace: 11:57 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:56:2832:3910:3132:39
10:31
#27200
10K
6.21 mi12:29:381:05:4910:3633:10
10:41
#27208
15K
9.32 mi13:04:301:40:4110:4934:52
11:14
#27429
20K
12.43 mi13:41:392:17:5011:0637:09
11:58
#27642
HALF
13.11 mi13:49:202:25:3111:077:41
11:17
#27645
25K
15.53 mi14:19:302:55:4111:1930:10
12:27
#27700
30K
18.64 mi14:59:183:35:2911:3439:48
12:49
#27711
20M
20.00 mi15:17:183:53:2911:4118:00
13:16
#27731
21M
21.00 mi15:31:564:08:0711:4914:38
14:38
#27742
35K
21.75 mi15:41:054:17:1611:509:09
12:14
#27735
23M
23.00 mi15:57:084:33:1911:5416:03
12:50
#27723
24M
24.00 mi16:09:164:45:2711:5412:08
12:08
#27695
40K
24.85 mi16:20:384:56:4911:5711:22
13:18
#27693
25.2M
25.20 mi16:25:235:01:3411:594:45
13:47
#27680
FINISH
26.22 mi16:37:025:13:1311:5811:39
11:26
#27658
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi27200113881138827690(Top 95%)11722(Top 93%)11722(Top 1233%)
10K6.21 mi3.10 mi27208-811411-2311411-2327224(Top 94%)11429(Top 91%)11429(Top 1202%)
15K9.32 mi3.11 mi27429-22111559-14811559-14827690(Top 95%)11722(Top 93%)11722(Top 1233%)
20K12.43 mi3.11 mi27642-21311680-12111680-12127990(Top 96%)11911(Top 95%)11911(Top 1252%)
HALF13.11 mi0.68 mi27645-311686-611686-627655(Top 95%)11739(Top 93%)11739(Top 1234%)
25K15.53 mi2.42 mi27700-5511726-4011726-4027867(Top 96%)11867(Top 94%)11867(Top 1248%)
30K18.64 mi3.11 mi27711-1111746-2011746-2027574(Top 95%)11762(Top 94%)11762(Top 1237%)
20M20.00 mi1.36 mi27731-2011774-2811774-2827626(Top 95%)11835(Top 94%)11835(Top 1244%)
21M21.00 mi1.00 mi27742-1111781-711781-727828(Top 96%)11975(Top 95%)11975(Top 1259%)
35K21.75 mi0.75 mi27735+711783-211783-227002(Top 93%)11562(Top 92%)11562(Top 1216%)
23M23.00 mi1.25 mi27723+1211786-311786-327138(Top 94%)11652(Top 93%)11652(Top 1225%)
24M24.00 mi1.00 mi27695+2811774+1211774+1226761(Top 92%)11500(Top 91%)11500(Top 1209%)
40K24.85 mi0.85 mi27693+211784-1011784-1027341(Top 94%)11793(Top 94%)11793(Top 1240%)
25.2M25.20 mi0.35 mi27680+1311777+711777+727006(Top 93%)11631(Top 92%)11631(Top 1223%)
FINISH26.22 mi1.02 mi27658+2211773+411773+426814(Top 92%)11555(Top 92%)11555(Top 1215%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
Γ—21
+97ft-345ft

Overall

27690

Females

11722

F55-59

11722

5K→10K

3.1 - 6.2 mi

Top 94%
Γ—5
+79ft-138ft

Overall

27224

Females

11429

F55-59

11429

10K→15K

6.2 - 9.3 mi

Top 95%
Γ—3
+67ft-78ft

Overall

27690

Females

11722

F55-59

11722

15K→20K

9.3 - 12.4 mi

Top 96%
Γ—5
+106ft-86ft

Overall

27990

Females

11911

F55-59

11911

20K→HALF

12.4 - 13.1 mi

Top 95%
Γ—2
+19ft-37ft

Overall

27655

Females

11739

F55-59

11739

HALF→25K

13.1 - 15.5 mi

Top 96%
Γ—4
+66ft-88ft

Overall

27867

Females

11867

F55-59

11867

25K→30K

15.5 - 18.6 mi

Top 95%
Γ—9
+181ft-148ft

Overall

27574

Females

11762

F55-59

11762

30K→20M

18.6 - 20.0 mi

Top 95%
Γ—5
+64ft-50ft

Overall

27626

Females

11835

F55-59

11835

20M→21M

20.0 - 21.0 mi

Top 96%
Γ—8
+106ft-24ft

Overall

27828

Females

11975

F55-59

11975

21M→35K

21.0 - 21.8 mi

Top 93%
Γ—7
+17ft-86ft

Overall

27002

Females

11562

F55-59

11562

35K→23M

21.8 - 23.0 mi

Top 94%
Γ—5
+23ft-63ft

Overall

27138

Females

11652

F55-59

11652

23M→24M

23.0 - 24.0 mi

Top 92%
Γ—6
+12ft-82ft

Overall

26761

Females

11500

F55-59

11500

24M→40K

24.0 - 24.9 mi

Top 94%
Γ—1
+6ft-20ft

Overall

27341

Females

11793

F55-59

11793

40K→25.2M

24.9 - 25.2 mi

Top 93%
Γ—1
+13ft-16ft

Overall

27006

Females

11631

F55-59

11631

25.2M→FINISH

25.2 - 26.2 mi

Top 92%
Γ—2
+22ft-21ft

Overall

26814

Females

11555

F55-59

11555

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
596
Passed By
1054
Net Change
-458
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#27200
5K β†’ 10K165173-8#27200#27208
10K β†’ 15K52273-221#27208#27429
15K β†’ 20K34247-213#27429#27642
20K β†’ HALF1417-3#27642#27645
HALF β†’ 25K55110-55#27645#27700
25K β†’ 30K7081-11#27700#27711
30K β†’ 20M2949-20#27711#27731
20M β†’ 21M2132-11#27731#27742
21M β†’ 35K1710+7#27742#27735
35K β†’ 23M3826+12#27735#27723
23M β†’ 24M313+28#27723#27695
24M β†’ 40K2321+2#27695#27693
40K β†’ 25.2M141+13#27693#27680
25.2M β†’ FINISH3311+22#27680#27658
TOTALS5961054-458
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing