Boston Marathon logo
BOSTON MARATHON 2025

Stephanie Edwards

Bib: 31833•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
9:50/mi
30:34
↑ 97↓ 3451.5%
10K· 6.21 mi
9:58/mi
1:01:32
↑ 79↓ 1380.4%
15K· 9.32 mi
10:06/mi
1:32:55
↑ 67↓ 78
20K· 12.43 mi
10:28/mi
2:05:26
↑ 106↓ 860.1%
Half· 13.11 mi
10:32/mi
2:12:37
↑ 19↓ 370.5%
25K· 15.53 mi
11:13/mi
2:39:49
↑ 66↓ 880.2%
30K· 18.64 mi
11:16/mi
3:14:49
↑ 181↓ 1480.2%
20M
11:27/mi
3:30:23
↑ 64↓ 500.2%
21M
11:52/mi
3:42:15
↑ 106↓ 241.6%
35K· 21.75 mi
12:02/mi
3:51:15
↑ 17↓ 861.7%
23M
12:46/mi
4:07:14
↑ 23↓ 630.6%
24M
12:18/mi
4:19:32
↓ 821.3%
40K· 24.85 mi
12:16/mi
4:30:01
↓ 200.3%
25.2M
12:48/mi
4:34:26
↑ 13↓ 160.2%
Finish· 26.22 mi
10:20/mi
4:44:58
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:37
Pace10:07 /mi
2nd Half
Distance13.11 mi
Time2:32:21
Pace11:37 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:5130:349:5030:34
9:50
-
10K
6.21 mi12:26:491:01:329:5430:58
9:58
+0:08
15K
9.32 mi12:58:121:32:559:5831:23
10:06
+0:08
20K
12.43 mi13:30:432:05:2610:0632:31
10:28
+0:22
Half
13.11 mi13:37:542:12:3710:077:11
10:32
+0:04
25K
15.53 mi14:05:062:39:4910:1727:12
11:13
+0:41
30K
18.64 mi14:40:063:14:4910:2735:00
11:16
+0:03
20M
20.00 mi14:55:403:30:2310:3115:34
11:27
+0:11
21M
21.00 mi15:07:323:42:1510:3511:52
11:52
+0:25
35K
21.75 mi15:16:323:51:1510:389:00
12:02
+0:10
23M
23.00 mi15:32:314:07:1410:4515:59
12:46
+0:44
24M
24.00 mi15:44:494:19:3210:4912:18
12:18
-0:28
40K
24.85 mi15:55:184:30:0110:5210:29
12:16
-0:02
25.2M
25.20 mi15:59:434:34:2610:534:25
12:48
+0:32
Finish
26.22 mi16:10:154:44:5810:5310:32
10:20
-2:28

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

9:50 /mi

Average Pace

10:53 /mi

Slowest Pace

12:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:09

50% of race

Time at Steady Pace

1:17:46

27% of race

Time at Slower Pace

1:04:03

22% of race

Average Pace: 10:52 /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 mi11:55:5130:349:5030:34
9:50
#25167
10K
6.21 mi12:26:491:01:329:5430:58
9:58
#25188
15K
9.32 mi12:58:121:32:559:5831:23
10:06
#25205
20K
12.43 mi13:30:432:05:2610:0632:31
10:28
#25224
Half
13.11 mi13:37:542:12:3710:077:11
10:32
#25252
25K
15.53 mi14:05:062:39:4910:1727:12
11:13
#25288
30K
18.64 mi14:40:063:14:4910:2735:00
11:16
#25132
20M
20.00 mi14:55:403:30:2310:3115:34
11:27
#25101
21M
21.00 mi15:07:323:42:1510:3511:52
11:52
#25025
35K
21.75 mi15:16:323:51:1510:389:00
12:02
#25072
23M
23.00 mi15:32:314:07:1410:4515:59
12:46
#25150
24M
24.00 mi15:44:494:19:3210:4912:18
12:18
#25195
40K
24.85 mi15:55:184:30:0110:5210:29
12:16
#25212
25.2M
25.20 mi15:59:434:34:2610:534:25
12:48
#25207
Finish
26.22 mi16:10:154:44:5810:5310:32
10:20
#25182
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25167102981029825202(Top 89%)10340(Top 85%)10340(Top 189%)
10K6.21 mi3.10 mi25188-2110333-3510333-3525230(Top 89%)10360(Top 85%)10360(Top 189%)
15K9.32 mi3.11 mi25205-1710338-510338-525202(Top 89%)10340(Top 85%)10340(Top 189%)
20K12.43 mi3.11 mi25224-1910360-2210360-2225128(Top 88%)10333(Top 85%)10333(Top 189%)
Half13.11 mi0.68 mi25252-2810379-1910379-1925810(Top 91%)10723(Top 88%)10723(Top 196%)
25K15.53 mi2.42 mi25288-3610414-3510414-3525496(Top 90%)10565(Top 86%)10565(Top 193%)
30K18.64 mi3.11 mi25132+15610354+6010354+6024491(Top 86%)10127(Top 83%)10127(Top 185%)
20M20.00 mi1.36 mi25101+3110345+910345+924458(Top 86%)10199(Top 83%)10199(Top 186%)
21M21.00 mi1.00 mi25025+7610320+2510320+2523332(Top 82%)9674(Top 79%)9674(Top 177%)
35K21.75 mi0.75 mi25072-4710358-3810358-3825879(Top 91%)11037(Top 90%)11037(Top 202%)
23M23.00 mi1.25 mi25150-7810413-5510413-5526106(Top 92%)11148(Top 91%)11148(Top 204%)
24M24.00 mi1.00 mi25195-4510446-3310446-3326035(Top 92%)11144(Top 91%)11144(Top 204%)
40K24.85 mi0.85 mi25212-1710462-1610462-1625309(Top 89%)10823(Top 89%)10823(Top 198%)
25.2M25.20 mi0.35 mi25207+510464-210464-224706(Top 87%)10524(Top 86%)10524(Top 192%)
Finish26.22 mi1.02 mi25182+2510459+510459+523856(Top 84%)10100(Top 83%)10100(Top 185%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25202

Females

10340

F18-39

10340

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25230

Females

10360

F18-39

10360

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25202

Females

10340

F18-39

10340

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

25128

Females

10333

F18-39

10333

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

25810

Females

10723

F18-39

10723

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

25496

Females

10565

F18-39

10565

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

24491

Females

10127

F18-39

10127

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

24458

Females

10199

F18-39

10199

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23332

Females

9674

F18-39

9674

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

25879

Females

11037

F18-39

11037

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

26106

Females

11148

F18-39

11148

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

26035

Females

11144

F18-39

11144

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25309

Females

10823

F18-39

10823

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24706

Females

10524

F18-39

10524

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

23856

Females

10100

F18-39

10100

Passing Analysis

Category:
Athletes Passed
1051
Passed By
1066
Net Change
-15
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25167
5K → 10K168189-21#25167#25188
10K → 15K138155-17#25188#25205
15K → 20K134153-19#25205#25224
20K → Half1139-28#25224#25252
Half → 25K94130-36#25252#25288
25K → 30K21357+156#25288#25132
30K → 20M6837+31#25132#25101
20M → 21M9216+76#25101#25025
21M → 35K1663-47#25025#25072
35K → 23M2098-78#25072#25150
23M → 24M2166-45#25150#25195
24M → 40K2239-17#25195#25212
40K → 25.2M1712+5#25212#25207
25.2M → Finish3712+25#25207#25182
TOTALS10511066-15
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing