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BOSTON MARATHON 2025

Gaelle Seznec

Bib: 32191•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:39
Rank: #23305
Start → 5K
28:39 | 9:13/mi
10K· 6.21 mi
58:35
Rank: #23969 (-664)
5K → 10K
29:56 | 9:38/mi
15K· 9.32 mi
1:28:50
Rank: #24117 (-148)
10K → 15K
30:15 | 9:44/mi
20K· 12.43 mi
2:00:03
Rank: #24192 (-75)
15K → 20K
31:13 | 10:03/mi
Half· 13.11 mi
2:06:54
Rank: #24248 (-56)
20K → Half
6:51 | 10:02/mi
25K· 15.53 mi
2:32:41
Rank: #24325 (-77)
Half → 25K
25:47 | 10:38/mi
30K· 18.64 mi
3:06:16
Rank: #24215 (+110)
25K → 30K
33:35 | 10:49/mi
20M
3:20:42
Rank: #24090 (+125)
30K → 20M
14:26 | 10:37/mi
21M
3:31:57
Rank: #23979 (+111)
20M → 21M
11:15 | 11:15/mi
35K· 21.75 mi
3:39:27
Rank: #23894 (+85)
21M → 35K
7:30 | 10:01/mi
23M
3:52:15
Rank: #23746 (+148)
35K → 23M
12:48 | 10:13/mi
24M
4:02:11
Rank: #23645 (+101)
23M → 24M
9:56 | 9:56/mi
40K· 24.85 mi
4:10:54
Rank: #23555 (+90)
24M → 40K
8:43 | 10:12/mi
25.2M
4:14:33
Rank: #23481 (+74)
40K → 25.2M
3:39 | 10:35/mi
Finish· 26.22 mi
4:24:30
Rank: #23446 (+35)
25.2M → Finish
9:57 | 9:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:54
Pace9:41 /mi
2nd Half
Distance13.11 mi
Time2:17:36
Pace10:30 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:3528:399:1328:39
9:13
-
10K
6.21 mi12:23:3158:359:2629:56
9:38
+0:25
15K
9.32 mi12:53:461:28:509:3230:15
9:44
+0:06
20K
12.43 mi13:24:592:00:039:4031:13
10:03
+0:19
Half
13.11 mi13:31:502:06:549:416:51
10:02
-0:01
25K
15.53 mi13:57:372:32:419:5025:47
10:38
+0:36
30K
18.64 mi14:31:123:06:1610:0033:35
10:49
+0:11
20M
20.00 mi14:45:383:20:4210:0214:26
10:37
-0:12
21M
21.00 mi14:56:533:31:5710:0611:15
11:15
+0:38
35K
21.75 mi15:04:233:39:2710:057:30
10:01
-1:14
23M
23.00 mi15:17:113:52:1510:0612:48
10:13
+0:12
24M
24.00 mi15:27:074:02:1110:059:56
9:56
-0:17
40K
24.85 mi15:35:504:10:5410:068:43
10:12
+0:16
25.2M
25.20 mi15:39:294:14:3310:063:39
10:35
+0:23
Finish
26.22 mi15:49:264:24:3010:069:57
9:46
-0:49

Checkpoints & Pacing

📈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

9:13 /mi

Average Pace

10:06 /mi

Slowest Pace

11:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:47

37% of race

Time at Steady Pace

1:17:01

29% of race

Time at Slower Pace

1:28:42

34% of race

Average Pace: 10:05 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:53:3528:399:1328:39
9:13
#23305
10K
6.21 mi12:23:3158:359:2629:56
9:38
#23969
15K
9.32 mi12:53:461:28:509:3230:15
9:44
#24117
20K
12.43 mi13:24:592:00:039:4031:13
10:03
#24192
Half
13.11 mi13:31:502:06:549:416:51
10:02
#24248
25K
15.53 mi13:57:372:32:419:5025:47
10:38
#24325
30K
18.64 mi14:31:123:06:1610:0033:35
10:49
#24215
20M
20.00 mi14:45:383:20:4210:0214:26
10:37
#24090
21M
21.00 mi14:56:533:31:5710:0611:15
11:15
#23979
35K
21.75 mi15:04:233:39:2710:057:30
10:01
#23894
23M
23.00 mi15:17:113:52:1510:0612:48
10:13
#23746
24M
24.00 mi15:27:074:02:1110:059:56
9:56
#23645
40K
24.85 mi15:35:504:10:5410:068:43
10:12
#23555
25.2M
25.20 mi15:39:294:14:3310:063:39
10:35
#23481
Finish
26.22 mi15:49:264:24:3010:069:57
9:46
#23446
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi233059334933424390(Top 86%)9894(Top 81%)9894(Top 759%)
10K6.21 mi3.10 mi23969-6649670-3369670-33624447(Top 86%)9936(Top 81%)9936(Top 763%)
15K9.32 mi3.11 mi24117-1489738-689738-6824390(Top 86%)9894(Top 81%)9894(Top 759%)
20K12.43 mi3.11 mi24192-759799-619799-6124335(Top 86%)9898(Top 81%)9898(Top 760%)
Half13.11 mi0.68 mi24248-569836-379836-3724909(Top 88%)10217(Top 84%)10217(Top 784%)
25K15.53 mi2.42 mi24325-779894-589894-5824609(Top 87%)10079(Top 82%)10079(Top 774%)
30K18.64 mi3.11 mi24215+1109845+499845+4923637(Top 83%)9671(Top 79%)9671(Top 742%)
20M20.00 mi1.36 mi24090+1259805+409805+4022754(Top 80%)9288(Top 76%)9288(Top 713%)
21M21.00 mi1.00 mi23979+1119760+459760+4522059(Top 78%)9005(Top 74%)9005(Top 691%)
35K21.75 mi0.75 mi23894+859721+399721+3921983(Top 77%)9029(Top 74%)9029(Top 693%)
23M23.00 mi1.25 mi23746+1489662+599662+5921221(Top 75%)8674(Top 71%)8674(Top 666%)
24M24.00 mi1.00 mi23645+1019623+399623+3921194(Top 75%)8703(Top 71%)8703(Top 668%)
40K24.85 mi0.85 mi23555+909593+309593+3021086(Top 74%)8714(Top 71%)8714(Top 669%)
25.2M25.20 mi0.35 mi23481+749562+319562+3119373(Top 68%)7861(Top 64%)7861(Top 603%)
Finish26.22 mi1.02 mi23446+359560+29560+222163(Top 78%)9250(Top 76%)9250(Top 710%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

24390

Females

9894

F50-54

9894

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

24447

Females

9936

F50-54

9936

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

24390

Females

9894

F50-54

9894

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

24335

Females

9898

F50-54

9898

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

24909

Females

10217

F50-54

10217

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

24609

Females

10079

F50-54

10079

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

23637

Females

9671

F50-54

9671

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

22754

Females

9288

F50-54

9288

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

22059

Females

9005

F50-54

9005

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

21983

Females

9029

F50-54

9029

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

21221

Females

8674

F50-54

8674

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

21194

Females

8703

F50-54

8703

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

21086

Females

8714

F50-54

8714

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19373

Females

7861

F50-54

7861

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

22163

Females

9250

F50-54

9250

Passing Analysis

Category:
Athletes Passed
1439
Passed By
1580
Net Change
-141
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23305
5K → 10K60724-664#23305#23969
10K → 15K92240-148#23969#24117
15K → 20K118193-75#24117#24192
20K → Half1066-56#24192#24248
Half → 25K94171-77#24248#24325
25K → 30K20292+110#24325#24215
30K → 20M13813+125#24215#24090
20M → 21M12918+111#24090#23979
21M → 35K9510+85#23979#23894
35K → 23M1546+148#23894#23746
23M → 24M1076+101#23746#23645
24M → 40K10313+90#23645#23555
40K → 25.2M751+74#23555#23481
25.2M → Finish6227+35#23481#23446
TOTALS14391580-141
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing