Boston Marathon logo
BOSTON MARATHON 2025

Kelly Snyder

Bib: 31668•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
10:00/mi
31:04
↑ 97↓ 3451.5%
10K· 6.21 mi
10:02/mi
1:02:13
↑ 79↓ 1380.4%
15K· 9.32 mi
11:26/mi
1:37:45
↑ 67↓ 78
20K· 12.43 mi
12:12/mi
2:15:40
↑ 106↓ 860.1%
Half· 13.11 mi
10:17/mi
2:22:41
↑ 19↓ 370.5%
25K· 15.53 mi
12:09/mi
2:52:09
↑ 66↓ 880.2%
30K· 18.64 mi
11:00/mi
3:26:19
↑ 181↓ 1480.2%
20M
10:17/mi
3:40:18
↑ 64↓ 500.2%
21M
10:36/mi
3:50:54
↑ 106↓ 241.6%
35K· 21.75 mi
9:56/mi
3:58:20
↑ 17↓ 861.7%
23M
10:19/mi
4:11:15
↑ 23↓ 630.6%
24M
10:11/mi
4:21:26
↓ 821.3%
40K· 24.85 mi
10:27/mi
4:30:22
↓ 200.3%
25.2M
10:44/mi
4:34:04
↑ 13↓ 160.2%
Finish· 26.22 mi
9:18/mi
4:43:33
↑ 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 Half
Distance13.11 mi
Time2:22:41
Pace10:53 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:20:52
Pace10:45 /mi
📊Negative Split: 1.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:2631:0410:0031:04
10:00
-
10K
6.21 mi12:26:351:02:1310:0131:09
10:02
+0:02
15K
9.32 mi13:02:071:37:4510:2935:32
11:26
+1:24
20K
12.43 mi13:40:022:15:4010:5537:55
12:12
+0:46
Half
13.11 mi13:47:032:22:4110:537:01
10:17
-1:55
25K
15.53 mi14:16:312:52:0911:0529:28
12:09
+1:52
30K
18.64 mi14:50:413:26:1911:0434:10
11:00
-1:09
20M
20.00 mi15:04:403:40:1811:0113:59
10:17
-0:43
21M
21.00 mi15:15:163:50:5411:0010:36
10:36
+0:19
35K
21.75 mi15:22:423:58:2010:587:26
9:56
-0:40
23M
23.00 mi15:35:374:11:1510:5512:55
10:19
+0:23
24M
24.00 mi15:45:484:21:2610:5410:11
10:11
-0:08
40K
24.85 mi15:54:444:30:2210:538:56
10:27
+0:16
25.2M
25.20 mi15:58:264:34:0410:533:42
10:44
+0:17
Finish
26.22 mi16:07:554:43:3310:499:29
9:18
-1:26

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

9:18 /mi

Average Pace

10:49 /mi

Slowest Pace

12:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

9:29

3% of race

Time at Steady Pace

2:13:17

47% of race

Time at Slower Pace

2:20:47

50% of race

Average Pace: 10:49 /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 mi11:55:2631:0410:0031:04
10:00
#25569
10K
6.21 mi12:26:351:02:1310:0131:09
10:02
#25468
15K
9.32 mi13:02:071:37:4510:2935:32
11:26
#26258
20K
12.43 mi13:40:022:15:4010:5537:55
12:12
#26665
Half
13.11 mi13:47:032:22:4110:537:01
10:17
#26592
25K
15.53 mi14:16:312:52:0911:0529:28
12:09
#26612
30K
18.64 mi14:50:413:26:1911:0434:10
11:00
#26183
20M
20.00 mi15:04:403:40:1811:0113:59
10:17
#25930
21M
21.00 mi15:15:163:50:5411:0010:36
10:36
#25716
35K
21.75 mi15:22:423:58:2010:587:26
9:56
#25604
23M
23.00 mi15:35:374:11:1510:5512:55
10:19
#25428
24M
24.00 mi15:45:484:21:2610:5410:11
10:11
#25313
40K
24.85 mi15:54:444:30:2210:538:56
10:27
#25232
25.2M
25.20 mi15:58:264:34:0410:533:42
10:44
#25178
Finish
26.22 mi16:07:554:43:3310:499:29
9:18
#25084
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25569105161051627177(Top 96%)11477(Top 94%)11477(Top 210%)
10K6.21 mi3.10 mi25468+10110482+3410482+3425374(Top 89%)10444(Top 85%)10444(Top 191%)
15K9.32 mi3.11 mi26258-79010924-44210924-44227177(Top 96%)11477(Top 94%)11477(Top 210%)
20K12.43 mi3.11 mi26665-40711155-23111155-23127275(Top 96%)11568(Top 95%)11568(Top 212%)
Half13.11 mi0.68 mi26592+7311125+3011125+3025398(Top 89%)10489(Top 86%)10489(Top 192%)
25K15.53 mi2.42 mi26612-2011148-2311148-2326583(Top 94%)11181(Top 91%)11181(Top 204%)
30K18.64 mi3.11 mi26183+42910924+22410924+22423992(Top 84%)9865(Top 81%)9865(Top 180%)
20M20.00 mi1.36 mi25930+25310794+13010794+13021821(Top 77%)8806(Top 72%)8806(Top 161%)
21M21.00 mi1.00 mi25716+21410700+9410700+9420296(Top 71%)8079(Top 66%)8079(Top 148%)
35K21.75 mi0.75 mi25604+11210647+5310647+5321694(Top 76%)8881(Top 73%)8881(Top 162%)
23M23.00 mi1.25 mi25428+17610571+7610571+7621449(Top 76%)8794(Top 72%)8794(Top 161%)
24M24.00 mi1.00 mi25313+11510512+5910512+5921863(Top 77%)9075(Top 74%)9075(Top 166%)
40K24.85 mi0.85 mi25232+8110475+3710475+3721747(Top 77%)9072(Top 74%)9072(Top 166%)
25.2M25.20 mi0.35 mi25178+5410448+2710448+2719736(Top 69%)8047(Top 66%)8047(Top 147%)
Finish26.22 mi1.02 mi25084+9410402+4610402+4620374(Top 72%)8337(Top 68%)8337(Top 152%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27177

Females

11477

F18-39

11477

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25374

Females

10444

F18-39

10444

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27177

Females

11477

F18-39

11477

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

27275

Females

11568

F18-39

11568

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

25398

Females

10489

F18-39

10489

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

26583

Females

11181

F18-39

11181

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23992

Females

9865

F18-39

9865

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

21821

Females

8806

F18-39

8806

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

20296

Females

8079

F18-39

8079

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

21694

Females

8881

F18-39

8881

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

21449

Females

8794

F18-39

8794

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

21863

Females

9075

F18-39

9075

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21747

Females

9072

F18-39

9072

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19736

Females

8047

F18-39

8047

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

20374

Females

8337

F18-39

8337

Passing Analysis

Category:
Athletes Passed
1965
Passed By
1480
Net Change
+485
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25569
5K → 10K245144+101#25569#25468
10K → 15K11801-790#25468#26258
15K → 20K25432-407#26258#26665
20K → Half730+73#26665#26592
Half → 25K7191-20#26592#26612
25K → 30K4301+429#26612#26183
30K → 20M2541+253#26183#25930
20M → 21M2140+214#25930#25716
21M → 35K1131+112#25716#25604
35K → 23M1771+176#25604#25428
23M → 24M1183+115#25428#25313
24M → 40K843+81#25313#25232
40K → 25.2M551+54#25232#25178
25.2M → Finish951+94#25178#25084
TOTALS19651480+485
📊

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