Boston Marathon logo
BOSTON MARATHON 2025

Henk Leerkes

Bib: 21360•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 46%
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
8:34/mi
26:36
↑ 97↓ 3451.5%
10K· 6.21 mi
8:30/mi
53:01
↑ 79↓ 1380.4%
15K· 9.32 mi
8:33/mi
1:19:35
↑ 67↓ 78
20K· 12.43 mi
9:59/mi
1:50:37
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:56:10
↑ 19↓ 370.5%
25K· 15.53 mi
8:19/mi
2:16:20
↑ 66↓ 880.2%
30K· 18.64 mi
8:46/mi
2:43:33
↑ 181↓ 1480.2%
20M
8:48/mi
2:55:30
↑ 64↓ 500.2%
21M
9:19/mi
3:04:49
↑ 106↓ 241.6%
35K· 21.75 mi
8:39/mi
3:11:17
↑ 17↓ 861.7%
23M
8:31/mi
3:21:57
↑ 23↓ 630.6%
24M
8:21/mi
3:30:18
↓ 821.3%
40K· 24.85 mi
8:22/mi
3:37:27
↓ 200.3%
25.2M
8:59/mi
3:40:33
↑ 13↓ 160.2%
Finish· 26.22 mi
8:08/mi
3:48:50
↑ 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
Time1:56:10
Pace8:52 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:52:40
Pace8:36 /mi
📊Negative Split: 3.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3726:368:3426:36
8:34
-
10K
6.21 mi11:46:0253:018:3226:25
8:30
-0:04
15K
9.32 mi12:12:361:19:358:3226:34
8:33
+0:03
20K
12.43 mi12:43:381:50:378:5431:02
9:59
+1:26
Half
13.11 mi12:49:111:56:108:525:33
8:08
-1:51
25K
15.53 mi13:09:212:16:208:4720:10
8:19
+0:11
30K
18.64 mi13:36:342:43:338:4627:13
8:46
+0:27
20M
20.00 mi13:48:312:55:308:4611:57
8:48
+0:02
21M
21.00 mi13:57:503:04:498:489:19
9:19
+0:31
35K
21.75 mi14:04:183:11:178:486:28
8:39
-0:40
23M
23.00 mi14:14:583:21:578:4710:40
8:31
-0:08
24M
24.00 mi14:23:193:30:188:468:21
8:21
-0:10
40K
24.85 mi14:30:283:37:278:457:09
8:22
+0:01
25.2M
25.20 mi14:33:343:40:338:453:06
8:59
+0:37
Finish
26.22 mi14:41:513:48:508:448:17
8:08
-0:51

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

8:08 /mi

Average Pace

8:44 /mi

Slowest Pace

9:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

34:00

15% of race

Time at Steady Pace

2:19:26

61% of race

Time at Slower Pace

55:24

24% of race

Average Pace: 8:44 /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 mi11:19:3726:368:3426:36
8:34
#20243
10K
6.21 mi11:46:0253:018:3226:25
8:30
#20021
15K
9.32 mi12:12:361:19:358:3226:34
8:33
#19905
20K
12.43 mi12:43:381:50:378:5431:02
9:59
#21450
Half
13.11 mi12:49:111:56:108:525:33
8:08
#21228
25K
15.53 mi13:09:212:16:208:4720:10
8:19
#20498
30K
18.64 mi13:36:342:43:338:4627:13
8:46
#19716
20M
20.00 mi13:48:312:55:308:4611:57
8:48
#19436
21M
21.00 mi13:57:503:04:498:489:19
9:19
#19179
35K
21.75 mi14:04:183:11:178:486:28
8:39
#19086
23M
23.00 mi14:14:583:21:578:4710:40
8:31
#18763
24M
24.00 mi14:23:193:30:188:468:21
8:21
#18541
40K
24.85 mi14:30:283:37:278:457:09
8:22
#18310
25.2M
25.20 mi14:33:343:40:338:453:06
8:59
#18209
Finish
26.22 mi14:41:513:48:508:448:17
8:08
#18053
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi20243125401254019625(Top 69%)12336(Top 77%)12336(Top 980%)
10K6.21 mi3.10 mi20021+22212484+5612484+5619808(Top 70%)12387(Top 77%)12387(Top 984%)
15K9.32 mi3.11 mi19905+11612434+5012434+5019625(Top 69%)12336(Top 77%)12336(Top 980%)
20K12.43 mi3.11 mi21450-154513101-66713101-66724194(Top 85%)14304(Top 89%)14304(Top 1136%)
Half13.11 mi0.68 mi21228+22213012+8913012+8916829(Top 59%)11124(Top 69%)11124(Top 884%)
25K15.53 mi2.42 mi20498+73012667+34512667+34516022(Top 56%)10657(Top 66%)10657(Top 846%)
30K18.64 mi3.11 mi19716+78212300+36712300+36716360(Top 58%)10650(Top 66%)10650(Top 846%)
20M20.00 mi1.36 mi19436+28012157+14312157+14315620(Top 55%)10212(Top 63%)10212(Top 811%)
21M21.00 mi1.00 mi19179+25712022+13512022+13515229(Top 54%)9889(Top 61%)9889(Top 785%)
35K21.75 mi0.75 mi19086+9311965+5711965+5716314(Top 57%)10323(Top 64%)10323(Top 820%)
23M23.00 mi1.25 mi18763+32311791+17411791+17413426(Top 47%)8911(Top 55%)8911(Top 708%)
24M24.00 mi1.00 mi18541+22211671+12011671+12013567(Top 48%)8939(Top 56%)8939(Top 710%)
40K24.85 mi0.85 mi18310+23111542+12911542+12912544(Top 44%)8314(Top 52%)8314(Top 660%)
25.2M25.20 mi0.35 mi18209+10111487+5511487+5511754(Top 41%)7888(Top 49%)7888(Top 627%)
Finish26.22 mi1.02 mi18053+15611405+8211405+8213787(Top 49%)8911(Top 55%)8911(Top 708%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19625

Males

12336

M60-64

12336

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19808

Males

12387

M60-64

12387

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19625

Males

12336

M60-64

12336

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24194

Males

14304

M60-64

14304

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

16829

Males

11124

M60-64

11124

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

16022

Males

10657

M60-64

10657

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

16360

Males

10650

M60-64

10650

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

15620

Males

10212

M60-64

10212

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

15229

Males

9889

M60-64

9889

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16314

Males

10323

M60-64

10323

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

13426

Males

8911

M60-64

8911

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

13567

Males

8939

M60-64

8939

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12544

Males

8314

M60-64

8314

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11754

Males

7888

M60-64

7888

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13787

Males

8911

M60-64

8911

Passing Analysis

Category:
Athletes Passed
4133
Passed By
1943
Net Change
+2190
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20243
5K → 10K412190+222#20243#20021
10K → 15K247131+116#20021#19905
15K → 20K241569-1545#19905#21450
20K → Half2231+222#21450#21228
Half → 25K7300+730#21228#20498
25K → 30K7853+782#20498#19716
30K → 20M29010+280#19716#19436
20M → 21M2658+257#19436#19179
21M → 35K10714+93#19179#19086
35K → 23M3230+323#19086#18763
23M → 24M2231+222#18763#18541
24M → 40K2332+231#18541#18310
40K → 25.2M1032+101#18310#18209
25.2M → Finish16812+156#18209#18053
TOTALS41331943+2190
📊

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