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BOSTON MARATHON 2026

Courtney Day

Bib: 29363β€’F

MA

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 48%
Gender (Female)
#0 / 12578
Top 34%
Age Group (F18-39)
#0 / 5716
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
22:10
3.11 mi
Rank: #9650
Start β†’ 5K
22:10 | 7:09/mi
10K
43:58
6.21 mi
Rank: #9167 (+483)
5K β†’ 10K
21:48 | 7:02/mi
15K
1:07:04
9.32 mi
Rank: #10113 (-946)
10K β†’ 15K
23:06 | 7:27/mi
20K
1:31:28
12.43 mi
Rank: #11381 (-1268)
15K β†’ 20K
24:24 | 7:52/mi
HALF
1:36:30
13.11 mi
Rank: #11413 (-32)
20K β†’ HALF
5:02 | 7:24/mi
25K
1:55:32
15.53 mi
Rank: #11869 (-456)
HALF β†’ 25K
19:02 | 7:51/mi
30K
2:21:51
18.64 mi
Rank: #12794 (-925)
25K β†’ 30K
26:19 | 8:29/mi
20M
2:33:40
20.00 mi
Rank: #13155 (-361)
30K β†’ 20M
11:49 | 8:42/mi
21M
2:42:44
21.00 mi
Rank: #13332 (-177)
20M β†’ 21M
9:04 | 9:04/mi
35K
2:48:52
21.75 mi
Rank: #13417 (-85)
21M β†’ 35K
6:08 | 8:12/mi
23M
2:59:37
23.00 mi
Rank: #13592 (-175)
35K β†’ 23M
10:45 | 8:36/mi
24M
3:08:06
24.00 mi
Rank: #13760 (-168)
23M β†’ 24M
8:29 | 8:29/mi
40K
3:15:29
24.85 mi
Rank: #13862 (-102)
24M β†’ 40K
7:23 | 8:39/mi
25.2M
3:18:36
25.20 mi
Rank: #13875 (-13)
40K β†’ 25.2M
3:07 | 9:03/mi
FINISH
3:26:35
26.22 mi
Rank: #13883 (-8)
25.2M β†’ FINISH
7:59 | 7:51/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:36:30
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:50:05
Pace8:24 /mi
πŸ“ŠPositive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4222:107:0922:10
7:09
-
10K
6.21 mi12:07:3043:587:0521:48
7:02
-0:07
15K
9.32 mi12:30:361:07:047:1223:06
7:27
+0:25
20K
12.43 mi12:55:001:31:287:2224:24
7:52
+0:25
HALF
13.11 mi13:00:021:36:307:225:02
7:24
-0:28
25K
15.53 mi13:19:041:55:327:2719:02
7:51
+0:27
30K
18.64 mi13:45:232:21:517:3726:19
8:29
+0:38
20M
20.00 mi13:57:122:33:407:4211:49
8:42
+0:13
21M
21.00 mi14:06:162:42:447:459:04
9:04
+0:22
35K
21.75 mi14:12:242:48:527:466:08
8:12
-0:52
23M
23.00 mi14:23:092:59:377:4910:45
8:36
+0:24
24M
24.00 mi14:31:383:08:067:518:29
8:29
-0:07
40K
24.85 mi14:39:013:15:297:527:23
8:39
+0:10
25.2M
25.20 mi14:42:083:18:367:533:07
9:03
+0:24
FINISH
26.22 mi14:50:073:26:357:547:59
7:51
-1:12

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

7:02 /mi

Average Pace

7:53 /mi

Slowest Pace

9:04 /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

2:03:31

60% of race

Time at Steady Pace

40:56

20% of race

Time at Slower Pace

42:08

20% of race

Average Pace: 7:53 /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 mi11:45:4222:107:0922:10
7:09
#9650
10K
6.21 mi12:07:3043:587:0521:48
7:02
#9167
15K
9.32 mi12:30:361:07:047:1223:06
7:27
#10113
20K
12.43 mi12:55:001:31:287:2224:24
7:52
#11381
HALF
13.11 mi13:00:021:36:307:225:02
7:24
#11413
25K
15.53 mi13:19:041:55:327:2719:02
7:51
#11869
30K
18.64 mi13:45:232:21:517:3726:19
8:29
#12794
20M
20.00 mi13:57:122:33:407:4211:49
8:42
#13155
21M
21.00 mi14:06:162:42:447:459:04
9:04
#13332
35K
21.75 mi14:12:242:48:527:466:08
8:12
#13417
23M
23.00 mi14:23:092:59:377:4910:45
8:36
#13592
24M
24.00 mi14:31:383:08:067:518:29
8:29
#13760
40K
24.85 mi14:39:013:15:297:527:23
8:39
#13862
25.2M
25.20 mi14:42:083:18:367:533:07
9:03
#13875
FINISH
26.22 mi14:50:073:26:357:547:59
7:51
#13883
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi96501718171812281(Top 42%)3171(Top 25%)3171(Top 55%)
10K6.21 mi3.10 mi9167+4831502+2161502+2168823(Top 30%)1410(Top 11%)1410(Top 25%)
15K9.32 mi3.11 mi10113-9461962-4601962-46012281(Top 42%)3171(Top 25%)3171(Top 55%)
20K12.43 mi3.11 mi11381-12682657-6952657-69514952(Top 52%)4764(Top 38%)4764(Top 83%)
HALF13.11 mi0.68 mi11413-322684-272684-2712077(Top 42%)3091(Top 25%)3091(Top 54%)
25K15.53 mi2.42 mi11869-4562966-2822966-28214235(Top 49%)4432(Top 35%)4432(Top 78%)
30K18.64 mi3.11 mi12794-9253536-5703536-57016738(Top 58%)5950(Top 47%)5950(Top 104%)
20M20.00 mi1.36 mi13155-3613766-2303766-23017393(Top 60%)6400(Top 51%)6400(Top 112%)
21M21.00 mi1.00 mi13332-1773878-1123878-11216477(Top 57%)5946(Top 47%)5946(Top 104%)
35K21.75 mi0.75 mi13417-853944-663944-6615800(Top 54%)5629(Top 45%)5629(Top 98%)
23M23.00 mi1.25 mi13592-1754081-1374081-13716252(Top 56%)5976(Top 48%)5976(Top 105%)
24M24.00 mi1.00 mi13760-1684191-1104191-11016804(Top 58%)6343(Top 50%)6343(Top 111%)
40K24.85 mi0.85 mi13862-1024272-814272-8116483(Top 57%)6233(Top 50%)6233(Top 109%)
25.2M25.20 mi0.35 mi13875-134288-164288-1614971(Top 52%)5421(Top 43%)5421(Top 95%)
FINISH26.22 mi1.02 mi13883-84317-294317-2914048(Top 48%)4936(Top 39%)4936(Top 86%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
Γ—21
+97ft-345ft

Overall

12281

Females

3171

F18-39

3171

5K→10K

3.1 - 6.2 mi

Top 30%
Γ—5
+79ft-138ft

Overall

8823

Females

1410

F18-39

1410

10K→15K

6.2 - 9.3 mi

Top 42%
Γ—3
+67ft-78ft

Overall

12281

Females

3171

F18-39

3171

15K→20K

9.3 - 12.4 mi

Top 52%
Γ—5
+106ft-86ft

Overall

14952

Females

4764

F18-39

4764

20K→HALF

12.4 - 13.1 mi

Top 42%
Γ—2
+19ft-37ft

Overall

12077

Females

3091

F18-39

3091

HALF→25K

13.1 - 15.5 mi

Top 49%
Γ—4
+66ft-88ft

Overall

14235

Females

4432

F18-39

4432

25K→30K

15.5 - 18.6 mi

Top 58%
Γ—9
+181ft-148ft

Overall

16738

Females

5950

F18-39

5950

30K→20M

18.6 - 20.0 mi

Top 60%
Γ—5
+64ft-50ft

Overall

17393

Females

6400

F18-39

6400

20M→21M

20.0 - 21.0 mi

Top 57%
Γ—8
+106ft-24ft

Overall

16477

Females

5946

F18-39

5946

21M→35K

21.0 - 21.8 mi

Top 54%
Γ—7
+17ft-86ft

Overall

15800

Females

5629

F18-39

5629

35K→23M

21.8 - 23.0 mi

Top 56%
Γ—5
+23ft-63ft

Overall

16252

Females

5976

F18-39

5976

23M→24M

23.0 - 24.0 mi

Top 58%
Γ—6
+12ft-82ft

Overall

16804

Females

6343

F18-39

6343

24M→40K

24.0 - 24.9 mi

Top 57%
Γ—1
+6ft-20ft

Overall

16483

Females

6233

F18-39

6233

40K→25.2M

24.9 - 25.2 mi

Top 52%
Γ—1
+13ft-16ft

Overall

14971

Females

5421

F18-39

5421

25.2M→FINISH

25.2 - 26.2 mi

Top 48%
Γ—2
+22ft-21ft

Overall

14048

Females

4936

F18-39

4936

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1012*
Passed By
2093
Net Change
-4233
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#9650
5K β†’ 10K552*69+483#9650#9167
10K β†’ 15K14200-946#9167#10113
15K β†’ 20K16200-1268#10113#11381
20K β†’ HALF2052-32#11381#11413
HALF β†’ 25K42200-456#11413#11869
25K β†’ 30K43200-925#11869#12794
30K β†’ 20M43200-361#12794#13155
20M β†’ 21M32200-177#13155#13332
21M β†’ 35K41126-85#13332#13417
35K β†’ 23M54200-175#13417#13592
23M β†’ 24M32200-168#13592#13760
24M β†’ 40K36138-102#13760#13862
40K β†’ 25.2M2639-13#13862#13875
25.2M β†’ FINISH6169-8#13875#13883
TOTALS1012*2093-4233

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

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