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BOSTON MARATHON 2026

Kerry Greig

Bib: 23577 •F •Age: N/A

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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 (F50-54)
#0 / 1233
Race Day Weather
51°/41°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
26:21
3.11 mi
Rank: #19987
Start → 5K
26:21 | 8:29/mi
10K
53:13
6.21 mi
Rank: #20530 (-543)
5K → 10K
26:52 | 8:39/mi
15K
1:20:27
9.32 mi
Rank: #20916 (-386)
10K → 15K
27:14 | 8:46/mi
20K
1:48:03
12.43 mi
Rank: #21016 (-100)
15K → 20K
27:36 | 8:54/mi
HALF
1:54:06
13.11 mi
Rank: #21067 (-51)
20K → HALF
6:03 | 8:53/mi
25K
2:15:56
15.53 mi
Rank: #21081 (-14)
HALF → 25K
21:50 | 9:01/mi
30K
2:44:16
18.64 mi
Rank: #20898 (+183)
25K → 30K
28:20 | 9:08/mi
20M
2:56:37
20.00 mi
Rank: #20784 (+114)
30K → 20M
12:21 | 9:06/mi
21M
3:06:32
21.00 mi
Rank: #20728 (+56)
20M → 21M
9:55 | 9:55/mi
35K
3:13:11
21.75 mi
Rank: #20677 (+51)
21M → 35K
6:39 | 8:54/mi
23M
3:24:47
23.00 mi
Rank: #20627 (+50)
35K → 23M
11:36 | 9:17/mi
24M
3:33:56
24.00 mi
Rank: #20598 (+29)
23M → 24M
9:09 | 9:09/mi
40K
3:41:46
24.85 mi
Rank: #20536 (+62)
24M → 40K
7:50 | 9:10/mi
25.2M
3:45:09
25.20 mi
Rank: #20506 (+30)
40K → 25.2M
3:23 | 9:49/mi
FINISH
3:54:16
26.22 mi
Rank: #20521 (-15)
25.2M → FINISH
9:07 | 8:57/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:54:06
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:00:10
Pace9:10 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:4326:218:2926:21
8:29
-
10K
6.21 mi11:56:3553:138:3426:52
8:39
+0:10
15K
9.32 mi12:23:491:20:278:3827:14
8:46
+0:07
20K
12.43 mi12:51:251:48:038:4227:36
8:54
+0:08
HALF
13.11 mi12:57:281:54:068:436:03
8:53
-0:01
25K
15.53 mi13:19:182:15:568:4621:50
9:01
+0:08
30K
18.64 mi13:47:382:44:168:4928:20
9:08
+0:07
20M
20.00 mi13:59:592:56:378:5012:21
9:06
-0:02
21M
21.00 mi14:09:543:06:328:539:55
9:55
+0:49
35K
21.75 mi14:16:333:13:118:536:39
8:54
-1:01
23M
23.00 mi14:28:093:24:478:5511:36
9:17
+0:23
24M
24.00 mi14:37:183:33:568:559:09
9:09
-0:08
40K
24.85 mi14:45:083:41:468:567:50
9:10
+0:01
25.2M
25.20 mi14:48:313:45:098:573:23
9:49
+0:39
FINISH
26.22 mi14:57:383:54:168:579:07
8:57
-0:52

Checkpoint Splits Visualizations

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

📈Pace 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

8:29 /mi

Average Pace

8:56 /mi

Slowest Pace

9:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

3:40:58

94% of race

Time at Steady Pace

13:18

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:56 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ 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 mi11:29:4326:218:2926:21
8:29
#19987
10K
6.21 mi11:56:3553:138:3426:52
8:39
#20530
15K
9.32 mi12:23:491:20:278:3827:14
8:46
#20916
20K
12.43 mi12:51:251:48:038:4227:36
8:54
#21016
HALF
13.11 mi12:57:281:54:068:436:03
8:53
#21067
25K
15.53 mi13:19:182:15:568:4621:50
9:01
#21081
30K
18.64 mi13:47:382:44:168:4928:20
9:08
#20898
20M
20.00 mi13:59:592:56:378:5012:21
9:06
#20784
21M
21.00 mi14:09:543:06:328:539:55
9:55
#20728
35K
21.75 mi14:16:333:13:118:536:39
8:54
#20677
23M
23.00 mi14:28:093:24:478:5511:36
9:17
#20627
24M
24.00 mi14:37:183:33:568:559:09
9:09
#20598
40K
24.85 mi14:45:083:41:468:567:50
9:10
#20536
25.2M
25.20 mi14:48:313:45:098:573:23
9:49
#20506
FINISH
26.22 mi14:57:383:54:168:579:07
8:57
#20521
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi199877625762521568(Top 74%)8414(Top 67%)8414(Top 682%)
10K6.21 mi3.10 mi20530-5437901-2767901-27621162(Top 73%)8212(Top 65%)8212(Top 666%)
15K9.32 mi3.11 mi20916-3868089-1888089-18821568(Top 74%)8414(Top 67%)8414(Top 682%)
20K12.43 mi3.11 mi21016-1008158-698158-6921393(Top 74%)8347(Top 66%)8347(Top 677%)
HALF13.11 mi0.68 mi21067-518187-298187-2922183(Top 76%)8715(Top 69%)8715(Top 707%)
25K15.53 mi2.42 mi21081-148204-178204-1721200(Top 73%)8267(Top 66%)8267(Top 670%)
30K18.64 mi3.11 mi20898+1838126+788126+7820166(Top 69%)7818(Top 62%)7818(Top 634%)
20M20.00 mi1.36 mi20784+1148080+468080+4619388(Top 67%)7484(Top 60%)7484(Top 607%)
21M21.00 mi1.00 mi20728+568054+268054+2620163(Top 69%)7941(Top 63%)7941(Top 644%)
35K21.75 mi0.75 mi20677+518042+128042+1219596(Top 68%)7754(Top 62%)7754(Top 629%)
23M23.00 mi1.25 mi20627+508028+148028+1419731(Top 68%)7856(Top 62%)7856(Top 637%)
24M24.00 mi1.00 mi20598+298030-28030-220096(Top 69%)8099(Top 64%)8099(Top 657%)
40K24.85 mi0.85 mi20536+628013+178013+1719157(Top 66%)7660(Top 61%)7660(Top 621%)
25.2M25.20 mi0.35 mi20506+308005+88005+818739(Top 65%)7427(Top 59%)7427(Top 602%)
FINISH26.22 mi1.02 mi20521-158019-148019-1420305(Top 70%)8231(Top 65%)8231(Top 668%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21
+97ft-345ft

Overall

21568

Females

8414

F50-54

8414

5K→10K

3.1 - 6.2 mi

Top 73%
×5
+79ft-138ft

Overall

21162

Females

8212

F50-54

8212

10K→15K

6.2 - 9.3 mi

Top 74%
×3
+67ft-78ft

Overall

21568

Females

8414

F50-54

8414

15K→20K

9.3 - 12.4 mi

Top 74%
×5
+106ft-86ft

Overall

21393

Females

8347

F50-54

8347

20K→HALF

12.4 - 13.1 mi

Top 76%
×2
+19ft-37ft

Overall

22183

Females

8715

F50-54

8715

HALF→25K

13.1 - 15.5 mi

Top 73%
×4
+66ft-88ft

Overall

21200

Females

8267

F50-54

8267

25K→30K

15.5 - 18.6 mi

Top 69%
×9
+181ft-148ft

Overall

20166

Females

7818

F50-54

7818

30K→20M

18.6 - 20.0 mi

Top 67%
×5
+64ft-50ft

Overall

19388

Females

7484

F50-54

7484

20M→21M

20.0 - 21.0 mi

Top 69%
×8
+106ft-24ft

Overall

20163

Females

7941

F50-54

7941

21M→35K

21.0 - 21.8 mi

Top 68%
×7
+17ft-86ft

Overall

19596

Females

7754

F50-54

7754

35K→23M

21.8 - 23.0 mi

Top 68%
×5
+23ft-63ft

Overall

19731

Females

7856

F50-54

7856

23M→24M

23.0 - 24.0 mi

Top 69%
×6
+12ft-82ft

Overall

20096

Females

8099

F50-54

8099

24M→40K

24.0 - 24.9 mi

Top 66%
×1
+6ft-20ft

Overall

19157

Females

7660

F50-54

7660

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1
+13ft-16ft

Overall

18739

Females

7427

F50-54

7427

25.2M→FINISH

25.2 - 26.2 mi

Top 70%
×2
+22ft-21ft

Overall

20305

Females

8231

F50-54

8231

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1354*
Passed By
1142
Net Change
-534
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19987
5K → 10K103200-543#19987#20530
10K → 15K81200-386#20530#20916
15K → 20K133200-100#20916#21016
20K → HALF1465-51#21016#21067
HALF → 25K122136-14#21067#21081
25K → 30K249*66+183#21081#20898
30K → 20M13622+114#20898#20784
20M → 21M10347+56#20784#20728
21M → 35K6817+51#20728#20677
35K → 23M9949+50#20677#20627
23M → 24M6738+29#20627#20598
24M → 40K8624+62#20598#20536
40K → 25.2M4010+30#20536#20506
25.2M → FINISH5368-15#20506#20521
TOTALS1354*1142-534

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing