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BOSTON MARATHON 2025

Marie-Pierre Gosselin

QC

Bib: 21615 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 48%
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:30/mi
26:25
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:30/mi
52:48
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:31/mi
1:19:16
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:40/mi
1:46:13
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:45/mi
1:52:11
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:03/mi
2:14:08
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:58/mi
2:41:58
↑ 181↓ 1480.2%
138 ft elev
20M
9:02/mi
2:54:14
↑ 64↓ 500.2%
148 ft elev
21M
9:31/mi
3:03:45
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:09/mi
3:10:36
↑ 17↓ 861.7%
156 ft elev
23M
9:09/mi
3:22:03
↑ 23↓ 630.6%
116 ft elev
24M
8:58/mi
3:31:01
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:14/mi
3:38:55
↓ 200.3%
20 ft elev
25.2M
10:06/mi
3:42:24
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:05/mi
3:51:39
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:11
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time1:59:28
Pace9:07 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0926:258:3026:25
8:30
-
10K
6.21 mi11:48:3252:488:3026:23
8:30
0:00
15K
9.32 mi12:15:001:19:168:3026:28
8:31
+0:01
20K
12.43 mi12:41:571:46:138:3326:57
8:40
+0:09
Half
13.11 mi12:47:551:52:118:335:58
8:45
+0:05
25K
15.53 mi13:09:522:14:088:3821:57
9:03
+0:18
30K
18.64 mi13:37:422:41:588:4127:50
8:58
-0:05
20M
20.00 mi13:49:582:54:148:4312:16
9:02
+0:04
21M
21.00 mi13:59:293:03:458:459:31
9:31
+0:29
35K
21.75 mi14:06:203:10:368:466:51
9:09
-0:22
23M
23.00 mi14:17:473:22:038:4711:27
9:09
0:00
24M
24.00 mi14:26:453:31:018:488:58
8:58
-0:11
40K
24.85 mi14:34:393:38:558:487:54
9:14
+0:16
25.2M
25.20 mi14:38:083:42:248:503:29
10:06
+0:52
Finish
26.22 mi14:47:233:51:398:509:15
9:05
-1:01

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

8:30 /mi

Average Pace

8:50 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:38:39

94% of race

Time at Steady Pace

9:31

4% of race

Time at Slower Pace

3:29

2% of race

Average Pace: 8:50 /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 mi11:22:0926:258:3026:25
8:30
#19904
10K
6.21 mi11:48:3252:488:3026:23
8:30
#19832
15K
9.32 mi12:15:001:19:168:3026:28
8:31
#19691
20K
12.43 mi12:41:571:46:138:3326:57
8:40
#19571
Half
13.11 mi12:47:551:52:118:335:58
8:45
#19623
25K
15.53 mi13:09:522:14:088:3821:57
9:03
#19709
30K
18.64 mi13:37:422:41:588:4127:50
8:58
#19275
20M
20.00 mi13:49:582:54:148:4312:16
9:02
#19082
21M
21.00 mi13:59:293:03:458:459:31
9:31
#18910
35K
21.75 mi14:06:203:10:368:466:51
9:09
#18906
23M
23.00 mi14:17:473:22:038:4711:27
9:09
#18787
24M
24.00 mi14:26:453:31:018:488:58
8:58
#18725
40K
24.85 mi14:34:393:38:558:487:54
9:14
#18662
25.2M
25.20 mi14:38:083:42:248:503:29
10:06
#18642
Finish
26.22 mi14:47:233:51:398:509:15
9:05
#18671
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi199047447744719446(Top 68%)7140(Top 58%)7140(Top 394%)
10K6.21 mi3.10 mi19832+727373+747373+7419753(Top 70%)7333(Top 60%)7333(Top 404%)
15K9.32 mi3.11 mi19691+1417285+887285+8819446(Top 68%)7140(Top 58%)7140(Top 394%)
20K12.43 mi3.11 mi19571+1207227+587227+5819293(Top 68%)7079(Top 58%)7079(Top 390%)
Half13.11 mi0.68 mi19623-527261-347261-3420643(Top 73%)7828(Top 64%)7828(Top 432%)
25K15.53 mi2.42 mi19709-867321-607321-6020146(Top 71%)7613(Top 62%)7613(Top 420%)
30K18.64 mi3.11 mi19275+4347113+2087113+20817469(Top 62%)6291(Top 51%)6291(Top 347%)
20M20.00 mi1.36 mi19082+1937026+877026+8716961(Top 60%)6120(Top 50%)6120(Top 338%)
21M21.00 mi1.00 mi18910+1726955+716955+7116184(Top 57%)5811(Top 48%)5811(Top 321%)
35K21.75 mi0.75 mi18906+46974-196974-1919006(Top 67%)7457(Top 61%)7457(Top 411%)
23M23.00 mi1.25 mi18787+1196931+436931+4317101(Top 60%)6511(Top 53%)6511(Top 359%)
24M24.00 mi1.00 mi18725+626919+126919+1217214(Top 61%)6603(Top 54%)6603(Top 364%)
40K24.85 mi0.85 mi18662+636910+96910+917567(Top 62%)6900(Top 56%)6900(Top 381%)
25.2M25.20 mi0.35 mi18642+206916-66916-617522(Top 62%)6876(Top 56%)6876(Top 379%)
Finish26.22 mi1.02 mi18671-296940-246940-2419426(Top 68%)7826(Top 64%)7826(Top 432%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

19446

Females

7140

F45-49

7140

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19753

Females

7333

F45-49

7333

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

19446

Females

7140

F45-49

7140

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

19293

Females

7079

F45-49

7079

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

20643

Females

7828

F45-49

7828

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

20146

Females

7613

F45-49

7613

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

17469

Females

6291

F45-49

6291

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

16961

Females

6120

F45-49

6120

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

16184

Females

5811

F45-49

5811

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

19006

Females

7457

F45-49

7457

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

17101

Females

6511

F45-49

6511

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

17214

Females

6603

F45-49

6603

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17567

Females

6900

F45-49

6900

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17522

Females

6876

F45-49

6876

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19426

Females

7826

F45-49

7826

Passing Analysis

Category:
Athletes Passed
2366
Passed By
1133
Net Change
+1233
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19904
5K → 10K314242+72#19904#19832
10K → 15K255114+141#19832#19691
15K → 20K264144+120#19691#19571
20K → Half1971-52#19571#19623
Half → 25K122208-86#19623#19709
25K → 30K47541+434#19709#19275
30K → 20M21522+193#19275#19082
20M → 21M19321+172#19082#18910
21M → 35K5854+4#18910#18906
35K → 23M16142+119#18906#18787
23M → 24M9735+62#18787#18725
24M → 40K10138+63#18725#18662
40K → 25.2M4626+20#18662#18642
25.2M → Finish4675-29#18642#18671
TOTALS23661133+1233
📊

Passing Visuals

Category:
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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