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BOSTON MARATHON 2025

Dickson Ma

Bib: 7589•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 28%
Masters (Masters Men)
#0 / 10463
Top 14%
Division (M40-44)
#0 / 2247
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:51
Rank: #5531
Start → 5K
20:51 | 6:43/mi
10K· 6.21 mi
41:49
Rank: #5657 (-126)
5K → 10K
20:58 | 6:45/mi
15K· 9.32 mi
1:02:30
Rank: #5300 (+357)
10K → 15K
20:41 | 6:39/mi
20K· 12.43 mi
1:23:20
Rank: #5049 (+251)
15K → 20K
20:50 | 6:42/mi
Half· 13.11 mi
1:27:49
Rank: #4988 (+61)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:44:28
Rank: #5023 (-35)
Half → 25K
16:39 | 6:52/mi
30K· 18.64 mi
2:06:07
Rank: #4874 (+149)
25K → 30K
21:39 | 6:58/mi
20M
2:15:44
Rank: #4827 (+47)
30K → 20M
9:37 | 7:05/mi
21M
2:23:11
Rank: #4755 (+72)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:28:21
Rank: #4719 (+36)
21M → 35K
5:10 | 6:54/mi
23M
2:37:21
Rank: #4718 (+1)
35K → 23M
9:00 | 7:11/mi
24M
2:44:27
Rank: #4737 (-19)
23M → 24M
7:06 | 7:06/mi
40K· 24.85 mi
2:50:55
Rank: #4842 (-105)
24M → 40K
6:28 | 7:34/mi
25.2M
2:53:45
Rank: #4877 (-35)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:00:57
Rank: #4905 (-28)
25.2M → Finish
7:12 | 7:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:49
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:33:08
Pace7:06 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:2520:516:4320:51
6:43
-
10K
6.21 mi10:48:2341:496:4420:58
6:45
+0:02
15K
9.32 mi11:09:041:02:306:4220:41
6:39
-0:06
20K
12.43 mi11:29:541:23:206:4220:50
6:42
+0:03
Half
13.11 mi11:34:231:27:496:424:29
6:34
-0:08
25K
15.53 mi11:51:021:44:286:4316:39
6:52
+0:18
30K
18.64 mi12:12:412:06:076:4621:39
6:58
+0:06
20M
20.00 mi12:22:182:15:446:479:37
7:05
+0:07
21M
21.00 mi12:29:452:23:116:497:27
7:27
+0:22
35K
21.75 mi12:34:552:28:216:495:10
6:54
-0:33
23M
23.00 mi12:43:552:37:216:509:00
7:11
+0:17
24M
24.00 mi12:51:012:44:276:517:06
7:06
-0:05
40K
24.85 mi12:57:292:50:556:536:28
7:34
+0:28
25.2M
25.20 mi13:00:192:53:456:542:50
8:13
+0:39
Finish
26.22 mi13:07:313:00:576:547:12
7:04
-1:09

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

6:34 /mi

Average Pace

6:54 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:49

49% of race

Time at Steady Pace

1:07:23

37% of race

Time at Slower Pace

25:45

14% of race

Average Pace: 6:54 /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 mi10:27:2520:516:4320:51
6:43
#5531
10K
6.21 mi10:48:2341:496:4420:58
6:45
#5657
15K
9.32 mi11:09:041:02:306:4220:41
6:39
#5300
20K
12.43 mi11:29:541:23:206:4220:50
6:42
#5049
Half
13.11 mi11:34:231:27:496:424:29
6:34
#4988
25K
15.53 mi11:51:021:44:286:4316:39
6:52
#5023
30K
18.64 mi12:12:412:06:076:4621:39
6:58
#4874
20M
20.00 mi12:22:182:15:446:479:37
7:05
#4827
21M
21.00 mi12:29:452:23:116:497:27
7:27
#4755
35K
21.75 mi12:34:552:28:216:495:10
6:54
#4719
23M
23.00 mi12:43:552:37:216:509:00
7:11
#4718
24M
24.00 mi12:51:012:44:276:517:06
7:06
#4737
40K
24.85 mi12:57:292:50:556:536:28
7:34
#4842
25.2M
25.20 mi13:00:192:53:456:542:50
8:13
#4877
Finish
26.22 mi13:07:313:00:576:547:12
7:04
#4905
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5531512151214702(Top 17%)4395(Top 27%)4395(Top 196%)
10K6.21 mi3.10 mi5657-1265225-1045225-1045812(Top 20%)5320(Top 33%)5320(Top 237%)
15K9.32 mi3.11 mi5300+3574915+3104915+3104702(Top 17%)4395(Top 27%)4395(Top 196%)
20K12.43 mi3.11 mi5049+2514696+2194696+2194472(Top 16%)4167(Top 26%)4167(Top 185%)
Half13.11 mi0.68 mi4988+614640+564640+564153(Top 15%)3892(Top 24%)3892(Top 173%)
25K15.53 mi2.42 mi5023-354660-204660-205394(Top 19%)4910(Top 30%)4910(Top 219%)
30K18.64 mi3.11 mi4874+1494508+1524508+1524502(Top 16%)4114(Top 26%)4114(Top 183%)
20M20.00 mi1.36 mi4827+474469+394469+394537(Top 16%)4121(Top 26%)4121(Top 183%)
21M21.00 mi1.00 mi4755+724397+724397+724338(Top 15%)3882(Top 24%)3882(Top 173%)
35K21.75 mi0.75 mi4719+364357+404357+404733(Top 17%)4176(Top 26%)4176(Top 186%)
23M23.00 mi1.25 mi4718+14342+154342+154782(Top 17%)4158(Top 26%)4158(Top 185%)
24M24.00 mi1.00 mi4737-194353-114353-115185(Top 18%)4375(Top 27%)4375(Top 195%)
40K24.85 mi0.85 mi4842-1054437-844437-847129(Top 25%)5490(Top 34%)5490(Top 244%)
25.2M25.20 mi0.35 mi4877-354459-224459-227044(Top 25%)5334(Top 33%)5334(Top 237%)
Finish26.22 mi1.02 mi4905-284468-94468-96122(Top 22%)4798(Top 30%)4798(Top 214%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4702

Males

4395

M40-44

4395

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5812

Males

5320

M40-44

5320

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4702

Males

4395

M40-44

4395

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4472

Males

4167

M40-44

4167

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4153

Males

3892

M40-44

3892

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5394

Males

4910

M40-44

4910

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4502

Males

4114

M40-44

4114

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4537

Males

4121

M40-44

4121

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4338

Males

3882

M40-44

3882

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4733

Males

4176

M40-44

4176

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4782

Males

4158

M40-44

4158

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

5185

Males

4375

M40-44

4375

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7129

Males

5490

M40-44

5490

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7044

Males

5334

M40-44

5334

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6122

Males

4798

M40-44

4798

Passing Analysis

Category:
Athletes Passed
1654
Passed By
1028
Net Change
+626
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5531
5K → 10K123249-126#5531#5657
10K → 15K36912+357#5657#5300
15K → 20K27524+251#5300#5049
20K → Half676+61#5049#4988
Half → 25K94129-35#4988#5023
25K → 30K23182+149#5023#4874
30K → 20M9447+47#4874#4827
20M → 21M10230+72#4827#4755
21M → 35K6731+36#4755#4719
35K → 23M8786+1#4719#4718
23M → 24M4766-19#4718#4737
24M → 40K34139-105#4737#4842
40K → 25.2M1853-35#4842#4877
25.2M → Finish4674-28#4877#4905
TOTALS16541028+626
📊

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