Boston Marathon logo
BOSTON MARATHON 2025

Summer Harvey

Bib: 17556•F

NH

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
9:10/mi
28:28
↑ 97↓ 3451.5%
10K· 6.21 mi
9:08/mi
56:51
↑ 79↓ 1380.4%
15K· 9.32 mi
9:09/mi
1:25:16
↑ 67↓ 78
20K· 12.43 mi
9:12/mi
1:53:50
↑ 106↓ 860.1%
Half· 13.11 mi
9:14/mi
2:00:08
↑ 19↓ 370.5%
25K· 15.53 mi
9:08/mi
2:22:16
↑ 66↓ 880.2%
30K· 18.64 mi
9:10/mi
2:50:45
↑ 181↓ 1480.2%
20M
9:01/mi
3:03:00
↑ 64↓ 500.2%
21M
9:13/mi
3:12:13
↑ 106↓ 241.6%
35K· 21.75 mi
8:37/mi
3:18:40
↑ 17↓ 861.7%
23M
8:41/mi
3:29:32
↑ 23↓ 630.6%
24M
8:15/mi
3:37:47
↓ 821.3%
40K· 24.85 mi
8:30/mi
3:45:03
↓ 200.3%
25.2M
9:23/mi
3:48:17
↑ 13↓ 160.2%
Finish· 26.22 mi
7:53/mi
3:56:19
↑ 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
Time2:00:08
Pace9:10 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:56:11
Pace8:52 /mi
📊Negative Split: 3.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0428:289:1028:28
9:10
-
10K
6.21 mi11:47:2756:519:0928:23
9:08
-0:02
15K
9.32 mi12:15:521:25:169:0928:25
9:09
+0:01
20K
12.43 mi12:44:261:53:509:1028:34
9:12
+0:03
Half
13.11 mi12:50:442:00:089:106:18
9:14
+0:02
25K
15.53 mi13:12:522:22:169:0922:08
9:08
-0:06
30K
18.64 mi13:41:212:50:459:1028:29
9:10
+0:02
20M
20.00 mi13:53:363:03:009:0912:15
9:01
-0:09
21M
21.00 mi14:02:493:12:139:099:13
9:13
+0:12
35K
21.75 mi14:09:163:18:409:086:27
8:37
-0:36
23M
23.00 mi14:20:083:29:329:0710:52
8:41
+0:04
24M
24.00 mi14:28:233:37:479:048:15
8:15
-0:26
40K
24.85 mi14:35:393:45:039:037:16
8:30
+0:15
25.2M
25.20 mi14:38:533:48:179:043:14
9:23
+0:53
Finish
26.22 mi14:46:553:56:199:018:02
7:53
-1:30

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

7:53 /mi

Average Pace

9:01 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

30:00

13% of race

Time at Steady Pace

3:23:05

86% of race

Time at Slower Pace

3:14

1% of race

Average Pace: 9:01 /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 mi11:19:0428:289:1028:28
9:10
#23080
10K
6.21 mi11:47:2756:519:0928:23
9:08
#23020
15K
9.32 mi12:15:521:25:169:0928:25
9:09
#22908
20K
12.43 mi12:44:261:53:509:1028:34
9:12
#22626
Half
13.11 mi12:50:442:00:089:106:18
9:14
#22622
25K
15.53 mi13:12:522:22:169:0922:08
9:08
#22278
30K
18.64 mi13:41:212:50:459:1028:29
9:10
#21590
20M
20.00 mi13:53:363:03:009:0912:15
9:01
#21244
21M
21.00 mi14:02:493:12:139:099:13
9:13
#20894
35K
21.75 mi14:09:163:18:409:086:27
8:37
#20733
23M
23.00 mi14:20:083:29:329:0710:52
8:41
#20422
24M
24.00 mi14:28:233:37:479:048:15
8:15
#20169
40K
24.85 mi14:35:393:45:039:037:16
8:30
#19947
25.2M
25.20 mi14:38:533:48:179:043:14
9:23
#19854
Finish
26.22 mi14:46:553:56:199:018:02
7:53
#19623
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi230809213921322648(Top 80%)8917(Top 73%)8917(Top 163%)
10K6.21 mi3.10 mi23020+609162+519162+5122948(Top 81%)9101(Top 74%)9101(Top 166%)
15K9.32 mi3.11 mi22908+1129073+899073+8922648(Top 80%)8917(Top 73%)8917(Top 163%)
20K12.43 mi3.11 mi22626+2828919+1548919+15421875(Top 77%)8520(Top 70%)8520(Top 156%)
Half13.11 mi0.68 mi22622+48913+68913+622739(Top 80%)8993(Top 74%)8993(Top 164%)
25K15.53 mi2.42 mi22278+3448750+1638750+16320486(Top 72%)7800(Top 64%)7800(Top 143%)
30K18.64 mi3.11 mi21590+6888400+3508400+35018502(Top 65%)6840(Top 56%)6840(Top 125%)
20M20.00 mi1.36 mi21244+3468244+1568244+15616892(Top 59%)6091(Top 50%)6091(Top 111%)
21M21.00 mi1.00 mi20894+3508064+1808064+18014755(Top 52%)5042(Top 41%)5042(Top 92%)
35K21.75 mi0.75 mi20733+1617989+757989+7516253(Top 57%)5938(Top 49%)5938(Top 109%)
23M23.00 mi1.25 mi20422+3117846+1437846+14314465(Top 51%)5054(Top 41%)5054(Top 92%)
24M24.00 mi1.00 mi20169+2537734+1127734+11212968(Top 46%)4318(Top 35%)4318(Top 79%)
40K24.85 mi0.85 mi19947+2227625+1097625+10913490(Top 47%)4717(Top 39%)4717(Top 86%)
25.2M25.20 mi0.35 mi19854+937586+397586+3914018(Top 49%)5061(Top 41%)5061(Top 93%)
Finish26.22 mi1.02 mi19623+2317477+1097477+10912110(Top 43%)3998(Top 33%)3998(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

22648

Females

8917

F18-39

8917

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

22948

Females

9101

F18-39

9101

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

22648

Females

8917

F18-39

8917

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

21875

Females

8520

F18-39

8520

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

22739

Females

8993

F18-39

8993

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

20486

Females

7800

F18-39

7800

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18502

Females

6840

F18-39

6840

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

16892

Females

6091

F18-39

6091

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14755

Females

5042

F18-39

5042

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16253

Females

5938

F18-39

5938

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14465

Females

5054

F18-39

5054

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12968

Females

4318

F18-39

4318

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13490

Females

4717

F18-39

4717

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

14018

Females

5061

F18-39

5061

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12110

Females

3998

F18-39

3998

Passing Analysis

Category:
Athletes Passed
3871
Passed By
414
Net Change
+3457
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23080
5K → 10K258198+60#23080#23020
10K → 15K221109+112#23020#22908
15K → 20K33957+282#22908#22626
20K → Half3531+4#22626#22622
Half → 25K35713+344#22622#22278
25K → 30K6924+688#22278#21590
30K → 20M3471+346#21590#21244
20M → 21M3511+350#21244#20894
21M → 35K1610+161#20894#20733
35K → 23M3110+311#20733#20422
23M → 24M2530+253#20422#20169
24M → 40K2220+222#20169#19947
40K → 25.2M930+93#19947#19854
25.2M → Finish2310+231#19854#19623
TOTALS3871414+3457
📊

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