Boston Marathon logo
BOSTON MARATHON 2025

John Lesh

Bib: 961•M

FL

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 18%
Division (M18-39)
#0 / 5642
Top 40%
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
6:08/mi
19:04
↑ 97↓ 3451.5%
10K· 6.21 mi
6:10/mi
38:13
↑ 79↓ 1380.4%
15K· 9.32 mi
6:11/mi
57:26
↑ 67↓ 78
20K· 12.43 mi
6:18/mi
1:16:59
↑ 106↓ 860.1%
Half· 13.11 mi
6:11/mi
1:21:12
↑ 19↓ 370.5%
25K· 15.53 mi
6:25/mi
1:36:45
↑ 66↓ 880.2%
30K· 18.64 mi
6:45/mi
1:57:44
↑ 181↓ 1480.2%
20M
7:00/mi
2:07:15
↑ 64↓ 500.2%
21M
7:48/mi
2:15:03
↑ 106↓ 241.6%
35K· 21.75 mi
7:05/mi
2:20:21
↑ 17↓ 861.7%
23M
7:49/mi
2:30:08
↑ 23↓ 630.6%
24M
7:22/mi
2:37:30
↓ 821.3%
40K· 24.85 mi
8:00/mi
2:44:20
↓ 200.3%
25.2M
8:19/mi
2:47:12
↑ 13↓ 160.2%
Finish· 26.22 mi
6:54/mi
2:54:14
↑ 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
Time1:21:12
Pace6:12 /mi
2nd Half
Distance13.11 mi
Time1:33:02
Pace7:06 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1319:046:0819:04
6:08
-
10K
6.21 mi10:38:2238:136:0919:09
6:10
+0:02
15K
9.32 mi10:57:3557:266:1019:13
6:11
+0:01
20K
12.43 mi11:17:081:16:596:1219:33
6:18
+0:07
Half
13.11 mi11:21:211:21:126:124:13
6:11
-0:07
25K
15.53 mi11:36:541:36:456:1415:33
6:25
+0:14
30K
18.64 mi11:57:531:57:446:1920:59
6:45
+0:20
20M
20.00 mi12:07:242:07:156:229:31
7:00
+0:15
21M
21.00 mi12:15:122:15:036:267:48
7:48
+0:48
35K
21.75 mi12:20:302:20:216:275:18
7:05
-0:43
23M
23.00 mi12:30:172:30:086:329:47
7:49
+0:44
24M
24.00 mi12:37:392:37:306:347:22
7:22
-0:27
40K
24.85 mi12:44:292:44:206:376:50
8:00
+0:38
25.2M
25.20 mi12:47:212:47:126:382:52
8:19
+0:19
Finish
26.22 mi12:54:232:54:146:397:02
6:54
-1:25

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

6:08 /mi

Average Pace

6:39 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:45

56% of race

Time at Steady Pace

42:50

25% of race

Time at Slower Pace

34:39

20% of race

Average Pace: 6:39 /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 mi10:19:1319:046:0819:04
6:08
#1560
10K
6.21 mi10:38:2238:136:0919:09
6:10
#1637
15K
9.32 mi10:57:3557:266:1019:13
6:11
#1661
20K
12.43 mi11:17:081:16:596:1219:33
6:18
#1731
Half
13.11 mi11:21:211:21:126:124:13
6:11
#1741
25K
15.53 mi11:36:541:36:456:1415:33
6:25
#1827
30K
18.64 mi11:57:531:57:446:1920:59
6:45
#2017
20M
20.00 mi12:07:242:07:156:229:31
7:00
#2133
21M
21.00 mi12:15:122:15:036:267:48
7:48
#2297
35K
21.75 mi12:20:302:20:216:275:18
7:05
#2368
23M
23.00 mi12:30:172:30:086:329:47
7:49
#2670
24M
24.00 mi12:37:392:37:306:347:22
7:22
#2784
40K
24.85 mi12:44:292:44:206:376:50
8:00
#2967
25.2M
25.20 mi12:47:212:47:126:382:52
8:19
#3017
Finish
26.22 mi12:54:232:54:146:397:02
6:54
#3044
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1560148514851784(Top 6%)1696(Top 11%)1696(Top 30%)
10K6.21 mi3.10 mi1637-771558-731558-731747(Top 6%)1663(Top 10%)1663(Top 29%)
15K9.32 mi3.11 mi1661-241581-231581-231784(Top 6%)1696(Top 11%)1696(Top 30%)
20K12.43 mi3.11 mi1731-701645-641645-641977(Top 7%)1884(Top 12%)1884(Top 33%)
Half13.11 mi0.68 mi1741-101654-91654-91887(Top 7%)1800(Top 11%)1800(Top 32%)
25K15.53 mi2.42 mi1827-861739-851739-852438(Top 9%)2318(Top 14%)2318(Top 41%)
30K18.64 mi3.11 mi2017-1901921-1821921-1823155(Top 11%)2959(Top 18%)2959(Top 52%)
20M20.00 mi1.36 mi2133-1162031-1102031-1104089(Top 14%)3742(Top 23%)3742(Top 66%)
21M21.00 mi1.00 mi2297-1642191-1602191-1606142(Top 22%)5143(Top 32%)5143(Top 91%)
35K21.75 mi0.75 mi2368-712257-662257-665849(Top 21%)4948(Top 31%)4948(Top 88%)
23M23.00 mi1.25 mi2670-3022537-2802537-2808639(Top 30%)6505(Top 40%)6505(Top 115%)
24M24.00 mi1.00 mi2784-1142641-1042641-1046780(Top 24%)5379(Top 33%)5379(Top 95%)
40K24.85 mi0.85 mi2967-1832802-1612802-16110076(Top 35%)7067(Top 44%)7067(Top 125%)
25.2M25.20 mi0.35 mi3017-502847-452847-457589(Top 27%)5648(Top 35%)5648(Top 100%)
Finish26.22 mi1.02 mi3044-272870-232870-235049(Top 18%)4137(Top 26%)4137(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1784

Males

1696

M18-39

1696

5K→10K

3.1 - 6.2 mi

Top 6%
×5story building
+79ft-138ft

Overall

1747

Males

1663

M18-39

1663

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1784

Males

1696

M18-39

1696

15K→20K

9.3 - 12.4 mi

Top 7%
×5story building
+106ft-86ft

Overall

1977

Males

1884

M18-39

1884

20K→Half

12.4 - 13.1 mi

Top 7%
×2story building
+19ft-37ft

Overall

1887

Males

1800

M18-39

1800

Half→25K

13.1 - 15.5 mi

Top 9%
×4story building
+66ft-88ft

Overall

2438

Males

2318

M18-39

2318

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

3155

Males

2959

M18-39

2959

30K→20M

18.6 - 20.0 mi

Top 14%
×5story building
+64ft-50ft

Overall

4089

Males

3742

M18-39

3742

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

6142

Males

5143

M18-39

5143

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5849

Males

4948

M18-39

4948

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8639

Males

6505

M18-39

6505

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6780

Males

5379

M18-39

5379

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

10076

Males

7067

M18-39

7067

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7589

Males

5648

M18-39

5648

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

5049

Males

4137

M18-39

4137

Passing Analysis

Category:
Athletes Passed
319
Passed By
1803
Net Change
-1484
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1560
5K → 10K49126-77#1560#1637
10K → 15K4872-24#1637#1661
15K → 20K32102-70#1661#1731
20K → Half313-10#1731#1741
Half → 25K33119-86#1741#1827
25K → 30K34224-190#1827#2017
30K → 20M12128-116#2017#2133
20M → 21M17181-164#2133#2297
21M → 35K1283-71#2297#2368
35K → 23M8310-302#2368#2670
23M → 24M20134-114#2670#2784
24M → 40K8191-183#2784#2967
40K → 25.2M1262-50#2967#3017
25.2M → Finish3158-27#3017#3044
TOTALS3191803-1484
📊

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