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BOSTON MARATHON 2025

Sophie Dumais

Bib: 18694•F

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 41%
Masters (Masters Women)
#0 / 6759
Top 27%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:43/mi
23:59
↑ 97↓ 3451.5%
10K· 6.21 mi
7:57/mi
48:42
↑ 79↓ 1380.4%
15K· 9.32 mi
8:06/mi
1:13:53
↑ 67↓ 78
20K· 12.43 mi
8:09/mi
1:39:11
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:44:35
↑ 19↓ 370.5%
25K· 15.53 mi
8:19/mi
2:04:46
↑ 66↓ 880.2%
30K· 18.64 mi
8:33/mi
2:31:21
↑ 181↓ 1480.2%
20M
8:47/mi
2:43:17
↑ 64↓ 500.2%
21M
9:14/mi
2:52:31
↑ 106↓ 241.6%
35K· 21.75 mi
8:33/mi
2:58:55
↑ 17↓ 861.7%
23M
8:52/mi
3:10:01
↑ 23↓ 630.6%
24M
8:40/mi
3:18:41
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:25:52
↓ 200.3%
25.2M
9:28/mi
3:29:08
↑ 13↓ 160.2%
Finish· 26.22 mi
8:11/mi
3:37:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:35
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:52:53
Pace8:37 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3823:597:4323:59
7:43
-
10K
6.21 mi11:39:2148:427:5024:43
7:57
+0:14
15K
9.32 mi12:04:321:13:537:5625:11
8:06
+0:09
20K
12.43 mi12:29:501:39:117:5925:18
8:09
+0:03
Half
13.11 mi12:35:141:44:357:595:24
7:55
-0:14
25K
15.53 mi12:55:252:04:468:0220:11
8:19
+0:24
30K
18.64 mi13:22:002:31:218:0726:35
8:33
+0:14
20M
20.00 mi13:33:562:43:178:1011:56
8:47
+0:14
21M
21.00 mi13:43:102:52:318:139:14
9:14
+0:27
35K
21.75 mi13:49:342:58:558:146:24
8:33
-0:41
23M
23.00 mi14:00:403:10:018:1611:06
8:52
+0:19
24M
24.00 mi14:09:203:18:418:178:40
8:40
-0:12
40K
24.85 mi14:16:313:25:528:177:11
8:24
-0:16
25.2M
25.20 mi14:19:473:29:088:183:16
9:28
+1:04
Finish
26.22 mi14:28:073:37:288:188:20
8:11
-1:17

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

7:43 /mi

Average Pace

8:18 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:35

48% of race

Time at Steady Pace

1:08:41

32% of race

Time at Slower Pace

44:12

20% of race

Average Pace: 8:18 /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 mi11:14:3823:597:4323:59
7:43
#14149
10K
6.21 mi11:39:2148:427:5024:43
7:57
#15131
15K
9.32 mi12:04:321:13:537:5625:11
8:06
#15737
20K
12.43 mi12:29:501:39:117:5925:18
8:09
#15781
Half
13.11 mi12:35:141:44:357:595:24
7:55
#15760
25K
15.53 mi12:55:252:04:468:0220:11
8:19
#15821
30K
18.64 mi13:22:002:31:218:0726:35
8:33
#15655
20M
20.00 mi13:33:562:43:178:1011:56
8:47
#15586
21M
21.00 mi13:43:102:52:318:139:14
9:14
#15497
35K
21.75 mi13:49:342:58:558:146:24
8:33
#15513
23M
23.00 mi14:00:403:10:018:1611:06
8:52
#15465
24M
24.00 mi14:09:203:18:418:178:40
8:40
#15464
40K
24.85 mi14:16:313:25:528:177:11
8:24
#15331
25.2M
25.20 mi14:19:473:29:088:183:16
9:28
#15313
Finish
26.22 mi14:28:073:37:288:188:20
8:11
#15260
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi141494005400516778(Top 59%)5593(Top 46%)5593(Top 326%)
10K6.21 mi3.10 mi15131-9824624-6194624-61916118(Top 57%)5189(Top 42%)5189(Top 302%)
15K9.32 mi3.11 mi15737-6064975-3514975-35116778(Top 59%)5593(Top 46%)5593(Top 326%)
20K12.43 mi3.11 mi15781-445031-565031-5615948(Top 56%)5184(Top 42%)5184(Top 302%)
Half13.11 mi0.68 mi15760+215016+155016+1515292(Top 54%)4789(Top 39%)4789(Top 279%)
25K15.53 mi2.42 mi15821-615066-505066-5016081(Top 57%)5353(Top 44%)5353(Top 312%)
30K18.64 mi3.11 mi15655+1665025+415025+4115133(Top 53%)4976(Top 41%)4976(Top 290%)
20M20.00 mi1.36 mi15586+695024+15024+115569(Top 55%)5338(Top 44%)5338(Top 311%)
21M21.00 mi1.00 mi15497+895012+125012+1214829(Top 52%)5069(Top 41%)5069(Top 295%)
35K21.75 mi0.75 mi15513-165036-245036-2415817(Top 56%)5674(Top 46%)5674(Top 330%)
23M23.00 mi1.25 mi15465+485053-175053-1715495(Top 55%)5597(Top 46%)5597(Top 326%)
24M24.00 mi1.00 mi15464+15070-175070-1715552(Top 55%)5665(Top 46%)5665(Top 330%)
40K24.85 mi0.85 mi15331+1335032+385032+3812842(Top 45%)4362(Top 36%)4362(Top 254%)
25.2M25.20 mi0.35 mi15313+185033-15033-114488(Top 51%)5277(Top 43%)5277(Top 307%)
Finish26.22 mi1.02 mi15260+535022+115022+1114149(Top 50%)5025(Top 41%)5025(Top 292%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

16778

Females

5593

F40-44

5593

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16118

Females

5189

F40-44

5189

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

16778

Females

5593

F40-44

5593

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

15948

Females

5184

F40-44

5184

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

15292

Females

4789

F40-44

4789

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

16081

Females

5353

F40-44

5353

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

15133

Females

4976

F40-44

4976

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

15569

Females

5338

F40-44

5338

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14829

Females

5069

F40-44

5069

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

15817

Females

5674

F40-44

5674

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

15495

Females

5597

F40-44

5597

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

15552

Females

5665

F40-44

5665

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12842

Females

4362

F40-44

4362

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14488

Females

5277

F40-44

5277

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

14149

Females

5025

F40-44

5025

Passing Analysis

Category:
Athletes Passed
1665
Passed By
2776
Net Change
-1111
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14149
5K → 10K641046-982#14149#15131
10K → 15K75681-606#15131#15737
15K → 20K188232-44#15737#15781
20K → Half4019+21#15781#15760
Half → 25K158219-61#15760#15821
25K → 30K309143+166#15821#15655
30K → 20M14879+69#15655#15586
20M → 21M15667+89#15586#15497
21M → 35K5571-16#15497#15513
35K → 23M13284+48#15513#15465
23M → 24M6766+1#15465#15464
24M → 40K15017+133#15464#15331
40K → 25.2M3820+18#15331#15313
25.2M → Finish8532+53#15313#15260
TOTALS16652776-1111
📊

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