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BOSTON MARATHON 2026

Grace Seymour

Bib: 27493•F

MA

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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· 3.11 mi
33:31
Rank: #27701
Start → 5K
33:31 | 10:48/mi
10K· 6.21 mi
1:09:31
Rank: #28088 (-387)
5K → 10K
36:00 | 11:36/mi
15K· 9.32 mi
1:46:40
Rank: #28219 (-131)
10K → 15K
37:09 | 11:58/mi
20K· 12.43 mi
2:26:29
Rank: #28335 (-116)
15K → 20K
39:49 | 12:49/mi
HALF· 13.11 mi
2:34:33
Rank: #28335
20K → HALF
8:04 | 11:51/mi
25K· 15.53 mi
3:05:51
Rank: #28309 (+26)
HALF → 25K
31:18 | 12:55/mi
30K· 18.64 mi
3:46:11
Rank: #28214 (+95)
25K → 30K
40:20 | 12:59/mi
20M
4:04:45
Rank: #28207 (+7)
30K → 20M
18:34 | 13:41/mi
21M
4:19:26
Rank: #28192 (+15)
20M → 21M
14:41 | 14:41/mi
35K· 21.75 mi
4:29:17
Rank: #28181 (+11)
21M → 35K
9:51 | 13:10/mi
23M
4:45:22
Rank: #28152 (+29)
35K → 23M
16:05 | 12:52/mi
24M
4:58:24
Rank: #28145 (+7)
23M → 24M
13:02 | 13:02/mi
40K· 24.85 mi
5:09:50
Rank: #28132 (+13)
24M → 40K
11:26 | 13:23/mi
25.2M
5:14:23
Rank: #28117 (+15)
40K → 25.2M
4:33 | 13:12/mi
FINISH· 26.22 mi
5:26:48
Rank: #28097 (+20)
25.2M → FINISH
12:25 | 12:12/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:34:33
Pace11:48 /mi
2nd Half
Distance13.11 mi
Time2:52:15
Pace13:09 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:0433:3110:4833:31
10:48
-
10K
6.21 mi12:31:041:09:3111:1236:00
11:36
+0:48
15K
9.32 mi13:08:131:46:4011:2737:09
11:58
+0:22
20K
12.43 mi13:48:022:26:2911:4839:49
12:49
+0:51
HALF
13.11 mi13:56:062:34:3311:488:04
11:51
-0:58
25K
15.53 mi14:27:243:05:5111:5831:18
12:55
+1:04
30K
18.64 mi15:07:443:46:1112:0940:20
12:59
+0:04
20M
20.00 mi15:26:184:04:4512:1518:34
13:41
+0:42
21M
21.00 mi15:40:594:19:2612:2214:41
14:41
+1:00
35K
21.75 mi15:50:504:29:1712:239:51
13:10
-1:31
23M
23.00 mi16:06:554:45:2212:2516:05
12:52
-0:18
24M
24.00 mi16:19:574:58:2412:2713:02
13:02
+0:10
40K
24.85 mi16:31:235:09:5012:2811:26
13:23
+0:21
25.2M
25.20 mi16:35:565:14:2312:294:33
13:12
-0:11
FINISH
26.22 mi16:48:215:26:4812:2912:25
12:12
-1:00

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

10:48 /mi

Average Pace

12:28 /mi

Slowest Pace

14:41 /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

2:07:09

39% of race

Time at Steady Pace

2:34:58

47% of race

Time at Slower Pace

44:41

14% of race

Average Pace: 12:28 /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 mi11:55:0433:3110:4833:31
10:48
#27701
10K
6.21 mi12:31:041:09:3111:1236:00
11:36
#28088
15K
9.32 mi13:08:131:46:4011:2737:09
11:58
#28219
20K
12.43 mi13:48:022:26:2911:4839:49
12:49
#28335
HALF
13.11 mi13:56:062:34:3311:488:04
11:51
#28335
25K
15.53 mi14:27:243:05:5111:5831:18
12:55
#28309
30K
18.64 mi15:07:443:46:1112:0940:20
12:59
#28214
20M
20.00 mi15:26:184:04:4512:1518:34
13:41
#28207
21M
21.00 mi15:40:594:19:2612:2214:41
14:41
#28192
35K
21.75 mi15:50:504:29:1712:239:51
13:10
#28181
23M
23.00 mi16:06:554:45:2212:2516:05
12:52
#28152
24M
24.00 mi16:19:574:58:2412:2713:02
13:02
#28145
40K
24.85 mi16:31:235:09:5012:2811:26
13:23
#28132
25.2M
25.20 mi16:35:565:14:2312:294:33
13:12
#28117
FINISH
26.22 mi16:48:215:26:4812:2912:25
12:12
#28097
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 mi27701116891168928325(Top 98%)12135(Top 96%)12135(Top 212%)
10K6.21 mi3.10 mi28088-38711941-25211941-25228307(Top 98%)12097(Top 96%)12097(Top 212%)
15K9.32 mi3.11 mi28219-13112033-9212033-9228325(Top 98%)12135(Top 96%)12135(Top 212%)
20K12.43 mi3.11 mi28335-11612118-8512118-8528532(Top 98%)12271(Top 98%)12271(Top 215%)
HALF13.11 mi0.68 mi2833512123-512123-528171(Top 97%)12061(Top 96%)12061(Top 211%)
25K15.53 mi2.42 mi28309+2612102+2112102+2128178(Top 97%)12060(Top 96%)12060(Top 211%)
30K18.64 mi3.11 mi28214+9512050+5212050+5227699(Top 95%)11832(Top 94%)11832(Top 207%)
20M20.00 mi1.36 mi28207+712051-112051-127919(Top 96%)11998(Top 95%)11998(Top 210%)
21M21.00 mi1.00 mi28192+1512050+112050+127870(Top 96%)11999(Top 95%)11999(Top 210%)
35K21.75 mi0.75 mi28181+1112043+712043+727849(Top 96%)12009(Top 95%)12009(Top 210%)
23M23.00 mi1.25 mi28152+2912035+812035+827172(Top 94%)11672(Top 93%)11672(Top 204%)
24M24.00 mi1.00 mi28145+712036-112036-127675(Top 95%)11949(Top 95%)11949(Top 209%)
40K24.85 mi0.85 mi28132+1312028+812028+827400(Top 94%)11818(Top 94%)11818(Top 207%)
25.2M25.20 mi0.35 mi28117+1512018+1012018+1026344(Top 91%)11298(Top 90%)11298(Top 198%)
FINISH26.22 mi1.02 mi28097+2012014+412014+427633(Top 95%)11932(Top 95%)11932(Top 209%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21stories
+97ft-345ft

Overall

28325

Females

12135

F18-39

12135

5K→10K

3.1 - 6.2 mi

Top 98%
×5stories
+79ft-138ft

Overall

28307

Females

12097

F18-39

12097

10K→15K

6.2 - 9.3 mi

Top 98%
×3stories
+67ft-78ft

Overall

28325

Females

12135

F18-39

12135

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

28532

Females

12271

F18-39

12271

20K→HALF

12.4 - 13.1 mi

Top 97%
×2stories
+19ft-37ft

Overall

28171

Females

12061

F18-39

12061

HALF→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

28178

Females

12060

F18-39

12060

25K→30K

15.5 - 18.6 mi

Top 95%
×9stories
+181ft-148ft

Overall

27699

Females

11832

F18-39

11832

30K→20M

18.6 - 20.0 mi

Top 96%
×5stories
+64ft-50ft

Overall

27919

Females

11998

F18-39

11998

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

27870

Females

11999

F18-39

11999

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

27849

Females

12009

F18-39

12009

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

27172

Females

11672

F18-39

11672

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

27675

Females

11949

F18-39

11949

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

27400

Females

11818

F18-39

11818

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

26344

Females

11298

F18-39

11298

25.2M→FINISH

25.2 - 26.2 mi

Top 95%
×2stories
+22ft-21ft

Overall

27633

Females

11932

F18-39

11932

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
474
Passed By
870
Net Change
-396
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27701
5K → 10K39426-387#27701#28088
10K → 15K32163-131#28088#28219
15K → 20K26142-116#28219#28335
20K → HALF10100#28335#28335
HALF → 25K5125+26#28335#28309
25K → 30K11116+95#28309#28214
30K → 20M2316+7#28214#28207
20M → 21M3520+15#28207#28192
21M → 35K176+11#28192#28181
35K → 23M378+29#28181#28152
23M → 24M2114+7#28152#28145
24M → 40K2512+13#28145#28132
40K → 25.2M161+15#28132#28117
25.2M → FINISH3111+20#28117#28097
TOTALS474870-396
📊

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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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