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BOSTON MARATHON 2025

Stephanie Cummings

Bib: 20639•F

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 50%
Gender (Female)
#0 / 12228
Top 36%
Masters (Masters Women)
#0 / 6759
Top 21%
Division (F40-44)
#0 / 1718
Top 43%
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
8:01/mi
24:55
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
49:11
↑ 79↓ 1380.4%
15K· 9.32 mi
7:59/mi
1:13:59
↑ 67↓ 78
20K· 12.43 mi
8:07/mi
1:39:11
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:44:29
↑ 19↓ 370.5%
25K· 15.53 mi
8:04/mi
2:04:03
↑ 66↓ 880.2%
30K· 18.64 mi
8:23/mi
2:30:05
↑ 181↓ 1480.2%
20M
8:34/mi
2:41:44
↑ 64↓ 500.2%
21M
9:11/mi
2:50:55
↑ 106↓ 241.6%
35K· 21.75 mi
8:19/mi
2:57:08
↑ 17↓ 861.7%
23M
8:24/mi
3:07:39
↑ 23↓ 630.6%
24M
8:01/mi
3:15:40
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:22:36
↓ 200.3%
25.2M
8:36/mi
3:25:34
↑ 13↓ 160.2%
Finish· 26.22 mi
7:42/mi
3:33:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:29
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:48:56
Pace8:19 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0424:558:0124:55
8:01
-
10K
6.21 mi11:44:2049:117:5524:16
7:49
-0:12
15K
9.32 mi12:09:081:13:597:5624:48
7:59
+0:10
20K
12.43 mi12:34:201:39:117:5925:12
8:07
+0:08
Half
13.11 mi12:39:381:44:297:585:18
7:46
-0:21
25K
15.53 mi12:59:122:04:037:5919:34
8:04
+0:18
30K
18.64 mi13:25:142:30:058:0326:02
8:23
+0:19
20M
20.00 mi13:36:532:41:448:0511:39
8:34
+0:11
21M
21.00 mi13:46:042:50:558:089:11
9:11
+0:37
35K
21.75 mi13:52:172:57:088:096:13
8:19
-0:52
23M
23.00 mi14:02:483:07:398:1010:31
8:24
+0:05
24M
24.00 mi14:10:493:15:408:098:01
8:01
-0:23
40K
24.85 mi14:17:453:22:368:096:56
8:07
+0:06
25.2M
25.20 mi14:20:433:25:348:092:58
8:36
+0:29
Finish
26.22 mi14:28:343:33:258:097:51
7:42
-0:54

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

7:42 /mi

Average Pace

8:09 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:37

89% of race

Time at Steady Pace

14:37

7% of race

Time at Slower Pace

9:11

4% of race

Average Pace: 8:08 /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 mi11:20:0424:558:0124:55
8:01
#16743
10K
6.21 mi11:44:2049:117:5524:16
7:49
#15834
15K
9.32 mi12:09:081:13:597:5624:48
7:59
#15818
20K
12.43 mi12:34:201:39:117:5925:12
8:07
#15780
Half
13.11 mi12:39:381:44:297:585:18
7:46
#15708
25K
15.53 mi12:59:122:04:037:5919:34
8:04
#15433
30K
18.64 mi13:25:142:30:058:0326:02
8:23
#15143
20M
20.00 mi13:36:532:41:448:0511:39
8:34
#15034
21M
21.00 mi13:46:042:50:558:089:11
9:11
#14949
35K
21.75 mi13:52:172:57:088:096:13
8:19
#14911
23M
23.00 mi14:02:483:07:398:1010:31
8:24
#14727
24M
24.00 mi14:10:493:15:408:098:01
8:01
#14568
40K
24.85 mi14:17:453:22:368:096:56
8:07
#14390
25.2M
25.20 mi14:20:433:25:348:092:58
8:36
#14307
Finish
26.22 mi14:28:343:33:258:097:51
7:42
#14142
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi167435591559115911(Top 56%)5093(Top 42%)5093(Top 296%)
10K6.21 mi3.10 mi15834+9095039+5525039+55214934(Top 53%)4493(Top 37%)4493(Top 262%)
15K9.32 mi3.11 mi15818+165023+165023+1615911(Top 56%)5093(Top 42%)5093(Top 296%)
20K12.43 mi3.11 mi15780+385030-75030-715718(Top 55%)5043(Top 41%)5043(Top 294%)
Half13.11 mi0.68 mi15708+724991+394991+3914074(Top 50%)4107(Top 34%)4107(Top 239%)
25K15.53 mi2.42 mi15433+2754853+1384853+13814441(Top 51%)4450(Top 36%)4450(Top 259%)
30K18.64 mi3.11 mi15143+2904747+1064747+10614022(Top 49%)4381(Top 36%)4381(Top 255%)
20M20.00 mi1.36 mi15034+1094723+244723+2414266(Top 50%)4640(Top 38%)4640(Top 270%)
21M21.00 mi1.00 mi14949+854690+334690+3314546(Top 51%)4912(Top 40%)4912(Top 286%)
35K21.75 mi0.75 mi14911+384686+44686+414327(Top 50%)4858(Top 40%)4858(Top 283%)
23M23.00 mi1.25 mi14727+1844614+724614+7212710(Top 45%)4108(Top 34%)4108(Top 239%)
24M24.00 mi1.00 mi14568+1594551+634551+6311414(Top 40%)3537(Top 29%)3537(Top 206%)
40K24.85 mi0.85 mi14390+1784488+634488+6310995(Top 39%)3412(Top 28%)3412(Top 199%)
25.2M25.20 mi0.35 mi14307+834453+354453+359554(Top 34%)2831(Top 23%)2831(Top 165%)
Finish26.22 mi1.02 mi14142+1654390+634390+6310771(Top 38%)3365(Top 28%)3365(Top 196%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

15911

Females

5093

F40-44

5093

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14934

Females

4493

F40-44

4493

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

15911

Females

5093

F40-44

5093

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

15718

Females

5043

F40-44

5043

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

14074

Females

4107

F40-44

4107

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

14441

Females

4450

F40-44

4450

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

14022

Females

4381

F40-44

4381

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

14266

Females

4640

F40-44

4640

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

14546

Females

4912

F40-44

4912

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

14327

Females

4858

F40-44

4858

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12710

Females

4108

F40-44

4108

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

11414

Females

3537

F40-44

3537

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10995

Females

3412

F40-44

3412

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9554

Females

2831

F40-44

2831

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10771

Females

3365

F40-44

3365

Passing Analysis

Category:
Athletes Passed
3423
Passed By
822
Net Change
+2601
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16743
5K → 10K96657+909#16743#15834
10K → 15K221205+16#15834#15818
15K → 20K215177+38#15818#15780
20K → Half775+72#15780#15708
Half → 25K32348+275#15708#15433
25K → 30K38595+290#15433#15143
30K → 20M17263+109#15143#15034
20M → 21M15368+85#15034#14949
21M → 35K7436+38#14949#14911
35K → 23M21632+184#14911#14727
23M → 24M17314+159#14727#14568
24M → 40K1813+178#14568#14390
40K → 25.2M841+83#14390#14307
25.2M → Finish18318+165#14307#14142
TOTALS3423822+2601
📊

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