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BOSTON MARATHON 2025

Mark Heald

Bib: 30744•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:46
Rank: #23412
Start → 5K
28:46 | 9:16/mi
10K· 6.21 mi
57:28
Rank: #23370 (+42)
5K → 10K
28:42 | 9:14/mi
15K· 9.32 mi
1:24:41
Rank: #22638 (+732)
10K → 15K
27:13 | 8:46/mi
20K· 12.43 mi
1:52:19
Rank: #22089 (+549)
15K → 20K
27:38 | 8:54/mi
Half· 13.11 mi
1:58:14
Rank: #22006 (+83)
20K → Half
5:55 | 8:40/mi
25K· 15.53 mi
2:20:49
Rank: #21862 (+144)
Half → 25K
22:35 | 9:19/mi
30K· 18.64 mi
2:50:36
Rank: #21554 (+308)
25K → 30K
29:47 | 9:35/mi
20M
3:04:18
Rank: #21528 (+26)
30K → 20M
13:42 | 10:05/mi
21M
3:15:28
Rank: #21569 (-41)
20M → 21M
11:10 | 11:10/mi
35K· 21.75 mi
3:23:01
Rank: #21601 (-32)
21M → 35K
7:33 | 10:06/mi
23M
3:35:43
Rank: #21546 (+55)
35K → 23M
12:42 | 10:09/mi
24M
3:45:51
Rank: #21545 (+1)
23M → 24M
10:08 | 10:08/mi
40K· 24.85 mi
3:54:33
Rank: #21512 (+33)
24M → 40K
8:42 | 10:11/mi
25.2M
3:58:25
Rank: #21512
40K → 25.2M
3:52 | 11:13/mi
Finish· 26.22 mi
4:07:55
Rank: #21459 (+53)
25.2M → Finish
9:30 | 9:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:14
Pace9:01 /mi
2nd Half
Distance13.11 mi
Time2:09:41
Pace9:54 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:0428:469:1628:46
9:16
-
10K
6.21 mi12:23:4657:289:1528:42
9:14
-0:02
15K
9.32 mi12:50:591:24:419:0527:13
8:46
-0:28
20K
12.43 mi13:18:371:52:199:0227:38
8:54
+0:08
Half
13.11 mi13:24:321:58:149:015:55
8:40
-0:14
25K
15.53 mi13:47:072:20:499:0422:35
9:19
+0:39
30K
18.64 mi14:16:542:50:369:0929:47
9:35
+0:16
20M
20.00 mi14:30:363:04:189:1313:42
10:05
+0:30
21M
21.00 mi14:41:463:15:289:1811:10
11:10
+1:05
35K
21.75 mi14:49:193:23:019:207:33
10:06
-1:04
23M
23.00 mi15:02:013:35:439:2312:42
10:09
+0:03
24M
24.00 mi15:12:093:45:519:2510:08
10:08
-0:01
40K
24.85 mi15:20:513:54:339:268:42
10:11
+0:03
25.2M
25.20 mi15:24:433:58:259:283:52
11:13
+1:02
Finish
26.22 mi15:34:134:07:559:289:30
9:19
-1:54

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

8:40 /mi

Average Pace

9:28 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:46

25% of race

Time at Steady Pace

1:59:20

48% of race

Time at Slower Pace

1:07:49

27% of race

Average Pace: 9:27 /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 mi11:55:0428:469:1628:46
9:16
#23412
10K
6.21 mi12:23:4657:289:1528:42
9:14
#23370
15K
9.32 mi12:50:591:24:419:0527:13
8:46
#22638
20K
12.43 mi13:18:371:52:199:0227:38
8:54
#22089
Half
13.11 mi13:24:321:58:149:015:55
8:40
#22006
25K
15.53 mi13:47:072:20:499:0422:35
9:19
#21862
30K
18.64 mi14:16:542:50:369:0929:47
9:35
#21554
20M
20.00 mi14:30:363:04:189:1313:42
10:05
#21528
21M
21.00 mi14:41:463:15:289:1811:10
11:10
#21569
35K
21.75 mi14:49:193:23:019:207:33
10:06
#21601
23M
23.00 mi15:02:013:35:439:2312:42
10:09
#21546
24M
24.00 mi15:12:093:45:519:2510:08
10:08
#21545
40K
24.85 mi15:20:513:54:339:268:42
10:11
#21512
25.2M
25.20 mi15:24:433:58:259:283:52
11:13
#21512
Finish
26.22 mi15:34:134:07:559:289:30
9:19
#21459
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi23412139531395320809(Top 73%)12861(Top 80%)12861(Top 539%)
10K6.21 mi3.10 mi23370+4213954-113954-123326(Top 82%)13952(Top 87%)13952(Top 585%)
15K9.32 mi3.11 mi22638+73213646+30813646+30820809(Top 73%)12861(Top 80%)12861(Top 539%)
20K12.43 mi3.11 mi22089+54913384+26213384+26220433(Top 72%)12649(Top 79%)12649(Top 530%)
Half13.11 mi0.68 mi22006+8313346+3813346+3820185(Top 71%)12553(Top 78%)12553(Top 526%)
25K15.53 mi2.42 mi21862+14413267+7913267+7921233(Top 75%)12957(Top 80%)12957(Top 543%)
30K18.64 mi3.11 mi21554+30813117+15013117+15020298(Top 71%)12427(Top 77%)12427(Top 521%)
20M20.00 mi1.36 mi21528+2613086+3113086+3121210(Top 75%)12683(Top 79%)12683(Top 532%)
21M21.00 mi1.00 mi21569-4113084+213084+221801(Top 77%)12881(Top 80%)12881(Top 540%)
35K21.75 mi0.75 mi21601-3213088-413088-422142(Top 78%)12979(Top 81%)12979(Top 544%)
23M23.00 mi1.25 mi21546+5513032+5613032+5620936(Top 74%)12368(Top 77%)12368(Top 518%)
24M24.00 mi1.00 mi21545+113012+2013012+2021738(Top 77%)12694(Top 79%)12694(Top 532%)
40K24.85 mi0.85 mi21512+3312974+3812974+3820997(Top 74%)12278(Top 76%)12278(Top 515%)
25.2M25.20 mi0.35 mi2151212968+612968+621243(Top 75%)12405(Top 77%)12405(Top 520%)
Finish26.22 mi1.02 mi21459+5312925+4312925+4320467(Top 72%)12042(Top 75%)12042(Top 505%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

20809

Males

12861

M45-49

12861

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

23326

Males

13952

M45-49

13952

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

20809

Males

12861

M45-49

12861

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

20433

Males

12649

M45-49

12649

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

20185

Males

12553

M45-49

12553

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

21233

Males

12957

M45-49

12957

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

20298

Males

12427

M45-49

12427

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

21210

Males

12683

M45-49

12683

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

21801

Males

12881

M45-49

12881

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

22142

Males

12979

M45-49

12979

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

20936

Males

12368

M45-49

12368

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

21738

Males

12694

M45-49

12694

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

20997

Males

12278

M45-49

12278

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21243

Males

12405

M45-49

12405

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

20467

Males

12042

M45-49

12042

Passing Analysis

Category:
Athletes Passed
2771
Passed By
818
Net Change
+1953
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23412
5K → 10K253211+42#23412#23370
10K → 15K7397+732#23370#22638
15K → 20K5556+549#22638#22089
20K → Half830+83#22089#22006
Half → 25K22278+144#22006#21862
25K → 30K36860+308#21862#21554
30K → 20M10579+26#21554#21528
20M → 21M70111-41#21528#21569
21M → 35K3567-32#21569#21601
35K → 23M11560+55#21601#21546
23M → 24M5251+1#21546#21545
24M → 40K6936+33#21545#21512
40K → 25.2M25250#21512#21512
25.2M → Finish8027+53#21512#21459
TOTALS2771818+1953
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing