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BOSTON MARATHON 2025

Eric Ma

Bib: 3624•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 26%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:54
Rank: #3155
Start → 5K
19:54 | 6:24/mi
10K· 6.21 mi
39:39
Rank: #2914 (+241)
5K → 10K
19:45 | 6:21/mi
15K· 9.32 mi
59:12
Rank: #2689 (+225)
10K → 15K
19:33 | 6:18/mi
20K· 12.43 mi
1:19:06
Rank: #2638 (+51)
15K → 20K
19:54 | 6:24/mi
Half· 13.11 mi
1:23:27
Rank: #2650 (-12)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:39:01
Rank: #2595 (+55)
Half → 25K
15:34 | 6:25/mi
30K· 18.64 mi
1:59:21
Rank: #2461 (+134)
25K → 30K
20:20 | 6:33/mi
20M
2:08:57
Rank: #2559 (-98)
30K → 20M
9:36 | 7:04/mi
21M
2:17:14
Rank: #2874 (-315)
20M → 21M
8:17 | 8:17/mi
35K· 21.75 mi
2:23:16
Rank: #3121 (-247)
21M → 35K
6:02 | 8:04/mi
23M
2:33:52
Rank: #3616 (-495)
35K → 23M
10:36 | 8:28/mi
24M
2:42:11
Rank: #4011 (-395)
23M → 24M
8:19 | 8:19/mi
40K· 24.85 mi
2:49:20
Rank: #4323 (-312)
24M → 40K
7:09 | 8:22/mi
25.2M
2:52:27
Rank: #4460 (-137)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
2:59:51
Rank: #4645 (-185)
25.2M → Finish
7:24 | 7:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:27
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:36:24
Pace7:21 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4319:546:2419:54
6:24
-
10K
6.21 mi10:42:2839:396:2319:45
6:21
-0:03
15K
9.32 mi11:02:0159:126:2119:33
6:18
-0:03
20K
12.43 mi11:21:551:19:066:2219:54
6:24
+0:06
Half
13.11 mi11:26:161:23:276:224:21
6:23
-0:01
25K
15.53 mi11:41:501:39:016:2215:34
6:25
+0:02
30K
18.64 mi12:02:101:59:216:2420:20
6:33
+0:08
20M
20.00 mi12:11:462:08:576:279:36
7:04
+0:31
21M
21.00 mi12:20:032:17:146:328:17
8:17
+1:13
35K
21.75 mi12:26:052:23:166:356:02
8:04
-0:13
23M
23.00 mi12:36:412:33:526:4110:36
8:28
+0:24
24M
24.00 mi12:45:002:42:116:458:19
8:19
-0:09
40K
24.85 mi12:52:092:49:206:497:09
8:22
+0:03
25.2M
25.20 mi12:55:162:52:276:513:07
9:02
+0:40
Finish
26.22 mi13:02:402:59:516:527:24
7:16
-1:46

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

6:18 /mi

Average Pace

6:52 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:21

66% of race

Time at Steady Pace

17:00

9% of race

Time at Slower Pace

43:30

24% of race

Average Pace: 6:52 /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 mi10:22:4319:546:2419:54
6:24
#3155
10K
6.21 mi10:42:2839:396:2319:45
6:21
#2914
15K
9.32 mi11:02:0159:126:2119:33
6:18
#2689
20K
12.43 mi11:21:551:19:066:2219:54
6:24
#2638
Half
13.11 mi11:26:161:23:276:224:21
6:23
#2650
25K
15.53 mi11:41:501:39:016:2215:34
6:25
#2595
30K
18.64 mi12:02:101:59:216:2420:20
6:33
#2461
20M
20.00 mi12:11:462:08:576:279:36
7:04
#2559
21M
21.00 mi12:20:032:17:146:328:17
8:17
#2874
35K
21.75 mi12:26:052:23:166:356:02
8:04
#3121
23M
23.00 mi12:36:412:33:526:4110:36
8:28
#3616
24M
24.00 mi12:45:002:42:116:458:19
8:19
#4011
40K
24.85 mi12:52:092:49:206:497:09
8:22
#4323
25.2M
25.20 mi12:55:162:52:276:513:07
9:02
#4460
Finish
26.22 mi13:02:402:59:516:527:24
7:16
#4645
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3155299829982305(Top 8%)2200(Top 14%)2200(Top 39%)
10K6.21 mi3.10 mi2914+2412777+2212777+2212775(Top 10%)2643(Top 16%)2643(Top 47%)
15K9.32 mi3.11 mi2689+2252564+2132564+2132305(Top 8%)2200(Top 14%)2200(Top 39%)
20K12.43 mi3.11 mi2638+512517+472517+472555(Top 9%)2436(Top 15%)2436(Top 43%)
Half13.11 mi0.68 mi2650-122528-112528-112930(Top 10%)2797(Top 17%)2797(Top 50%)
25K15.53 mi2.42 mi2595+552477+512477+512474(Top 9%)2352(Top 15%)2352(Top 42%)
30K18.64 mi3.11 mi2461+1342348+1292348+1292180(Top 8%)2064(Top 13%)2064(Top 37%)
20M20.00 mi1.36 mi2559-982443-952443-954460(Top 16%)4058(Top 25%)4058(Top 72%)
21M21.00 mi1.00 mi2874-3152733-2902733-2909070(Top 32%)6838(Top 42%)6838(Top 121%)
35K21.75 mi0.75 mi3121-2472955-2222955-22212622(Top 44%)8608(Top 53%)8608(Top 153%)
23M23.00 mi1.25 mi3616-4953396-4413396-44113060(Top 46%)8711(Top 54%)8711(Top 154%)
24M24.00 mi1.00 mi4011-3953728-3323728-33213316(Top 47%)8793(Top 55%)8793(Top 156%)
40K24.85 mi0.85 mi4323-3123986-2583986-25812492(Top 44%)8262(Top 51%)8262(Top 146%)
25.2M25.20 mi0.35 mi4460-1374096-1104096-11011890(Top 42%)7901(Top 49%)7901(Top 140%)
Finish26.22 mi1.02 mi4645-1854257-1614257-1617437(Top 26%)5570(Top 35%)5570(Top 99%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2305

Males

2200

M18-39

2200

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2775

Males

2643

M18-39

2643

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2305

Males

2200

M18-39

2200

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2555

Males

2436

M18-39

2436

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2930

Males

2797

M18-39

2797

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2474

Males

2352

M18-39

2352

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2180

Males

2064

M18-39

2064

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4460

Males

4058

M18-39

4058

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

9070

Males

6838

M18-39

6838

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

12622

Males

8608

M18-39

8608

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

13060

Males

8711

M18-39

8711

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

13316

Males

8793

M18-39

8793

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12492

Males

8262

M18-39

8262

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11890

Males

7901

M18-39

7901

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7437

Males

5570

M18-39

5570

Passing Analysis

Category:
Athletes Passed
955
Passed By
2445
Net Change
-1490
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3155
5K → 10K28645+241#3155#2914
10K → 15K2349+225#2914#2689
15K → 20K9443+51#2689#2638
20K → Half1224-12#2638#2650
Half → 25K9338+55#2650#2595
25K → 30K15925+134#2595#2461
30K → 20M22120-98#2461#2559
20M → 21M8323-315#2559#2874
21M → 35K8255-247#2874#3121
35K → 23M12507-495#3121#3616
23M → 24M9404-395#3616#4011
24M → 40K3315-312#4011#4323
40K → 25.2M6143-137#4323#4460
25.2M → Finish9194-185#4460#4645
TOTALS9552445-1490
📊

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