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BOSTON MARATHON 2025

Joakim Lia

Bib: 1956•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 10%
Gender (Male)
#0 / 16105
Top 16%
Division (M18-39)
#0 / 5642
Top 37%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:26
Rank: #885
Start → 5K
18:26 | 5:56/mi
10K· 6.21 mi
37:00
Rank: #954 (-69)
5K → 10K
18:34 | 5:59/mi
15K· 9.32 mi
55:46
Rank: #1005 (-51)
10K → 15K
18:46 | 6:02/mi
20K· 12.43 mi
1:15:47
Rank: #1315 (-310)
15K → 20K
20:01 | 6:27/mi
Half· 13.11 mi
1:20:10
Rank: #1396 (-81)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:36:09
Rank: #1646 (-250)
Half → 25K
15:59 | 6:36/mi
30K· 18.64 mi
1:57:49
Rank: #2040 (-394)
25K → 30K
21:40 | 6:58/mi
20M
2:07:27
Rank: #2185 (-145)
30K → 20M
9:38 | 7:05/mi
21M
2:15:13
Rank: #2329 (-144)
20M → 21M
7:46 | 7:46/mi
35K· 21.75 mi
2:20:25
Rank: #2382 (-53)
21M → 35K
5:12 | 6:57/mi
23M
2:29:45
Rank: #2573 (-191)
35K → 23M
9:20 | 7:27/mi
24M
2:36:57
Rank: #2665 (-92)
23M → 24M
7:12 | 7:12/mi
40K· 24.85 mi
2:43:10
Rank: #2721 (-56)
24M → 40K
6:13 | 7:16/mi
25.2M
2:45:49
Rank: #2726 (-5)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:52:31
Rank: #2722 (+4)
25.2M → Finish
6:42 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:10
Pace6:07 /mi
2nd Half
Distance13.11 mi
Time1:32:21
Pace7:03 /mi
📊Positive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5618:265:5618:26
5:56
-
10K
6.21 mi10:37:3037:005:5718:34
5:59
+0:03
15K
9.32 mi10:56:1655:465:5918:46
6:02
+0:03
20K
12.43 mi11:16:171:15:476:0620:01
6:27
+0:25
Half
13.11 mi11:20:401:20:106:074:23
6:25
-0:02
25K
15.53 mi11:36:391:36:096:1115:59
6:36
+0:11
30K
18.64 mi11:58:191:57:496:1921:40
6:58
+0:22
20M
20.00 mi12:07:572:07:276:229:38
7:05
+0:07
21M
21.00 mi12:15:432:15:136:267:46
7:46
+0:41
35K
21.75 mi12:20:552:20:256:275:12
6:57
-0:49
23M
23.00 mi12:30:152:29:456:319:20
7:27
+0:30
24M
24.00 mi12:37:272:36:576:327:12
7:12
-0:15
40K
24.85 mi12:43:402:43:106:346:13
7:16
+0:04
25.2M
25.20 mi12:46:192:45:496:352:39
7:41
+0:25
Finish
26.22 mi12:53:012:52:316:356:42
6:34
-1:07

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

5:56 /mi

Average Pace

6:35 /mi

Slowest Pace

7:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:51

60% of race

Time at Steady Pace

43:42

25% of race

Time at Slower Pace

25:58

15% of race

Average Pace: 6:35 /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 mi10:18:5618:265:5618:26
5:56
#885
10K
6.21 mi10:37:3037:005:5718:34
5:59
#954
15K
9.32 mi10:56:1655:465:5918:46
6:02
#1005
20K
12.43 mi11:16:171:15:476:0620:01
6:27
#1315
Half
13.11 mi11:20:401:20:106:074:23
6:25
#1396
25K
15.53 mi11:36:391:36:096:1115:59
6:36
#1646
30K
18.64 mi11:58:191:57:496:1921:40
6:58
#2040
20M
20.00 mi12:07:572:07:276:229:38
7:05
#2185
21M
21.00 mi12:15:432:15:136:267:46
7:46
#2329
35K
21.75 mi12:20:552:20:256:275:12
6:57
#2382
23M
23.00 mi12:30:152:29:456:319:20
7:27
#2573
24M
24.00 mi12:37:272:36:576:327:12
7:12
#2665
40K
24.85 mi12:43:402:43:106:346:13
7:16
#2721
25.2M
25.20 mi12:46:192:45:496:352:39
7:41
#2726
Finish
26.22 mi12:53:012:52:316:356:42
6:34
#2722
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8858288281169(Top 4%)1107(Top 7%)1107(Top 20%)
10K6.21 mi3.10 mi954-69897-69897-691045(Top 4%)985(Top 6%)985(Top 17%)
15K9.32 mi3.11 mi1005-51948-51948-511169(Top 4%)1107(Top 7%)1107(Top 20%)
20K12.43 mi3.11 mi1315-3101246-2981246-2982763(Top 10%)2630(Top 16%)2630(Top 47%)
Half13.11 mi0.68 mi1396-811325-791325-793158(Top 11%)2999(Top 19%)2999(Top 53%)
25K15.53 mi2.42 mi1646-2501563-2381563-2383393(Top 12%)3202(Top 20%)3202(Top 57%)
30K18.64 mi3.11 mi2040-3941944-3811944-3814524(Top 16%)4132(Top 26%)4132(Top 73%)
20M20.00 mi1.36 mi2185-1452083-1392083-1394586(Top 16%)4156(Top 26%)4156(Top 74%)
21M21.00 mi1.00 mi2329-1442220-1372220-1375959(Top 21%)5030(Top 31%)5030(Top 89%)
35K21.75 mi0.75 mi2382-532271-512271-514991(Top 18%)4358(Top 27%)4358(Top 77%)
23M23.00 mi1.25 mi2573-1912449-1782449-1786338(Top 22%)5169(Top 32%)5169(Top 92%)
24M24.00 mi1.00 mi2665-922529-802529-805780(Top 20%)4768(Top 30%)4768(Top 85%)
40K24.85 mi0.85 mi2721-562579-502579-505439(Top 19%)4499(Top 28%)4499(Top 80%)
25.2M25.20 mi0.35 mi2726-52581-22581-24171(Top 15%)3527(Top 22%)3527(Top 63%)
Finish26.22 mi1.02 mi2722+42575+62575+63174(Top 11%)2806(Top 17%)2806(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1169

Males

1107

M18-39

1107

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1045

Males

985

M18-39

985

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1169

Males

1107

M18-39

1107

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2763

Males

2630

M18-39

2630

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3158

Males

2999

M18-39

2999

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3393

Males

3202

M18-39

3202

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4524

Males

4132

M18-39

4132

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4586

Males

4156

M18-39

4156

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5959

Males

5030

M18-39

5030

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4991

Males

4358

M18-39

4358

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

6338

Males

5169

M18-39

5169

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5780

Males

4768

M18-39

4768

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5439

Males

4499

M18-39

4499

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4171

Males

3527

M18-39

3527

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3174

Males

2806

M18-39

2806

Passing Analysis

Category:
Athletes Passed
216
Passed By
2053
Net Change
-1837
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#885
5K → 10K2695-69#885#954
10K → 15K1667-51#954#1005
15K → 20K2312-310#1005#1315
20K → Half081-81#1315#1396
Half → 25K8258-250#1396#1646
25K → 30K13407-394#1646#2040
30K → 20M13158-145#2040#2185
20M → 21M16160-144#2185#2329
21M → 35K1366-53#2329#2382
35K → 23M16207-191#2382#2573
23M → 24M23115-92#2573#2665
24M → 40K2177-56#2665#2721
40K → 25.2M1318-5#2721#2726
25.2M → Finish3632+4#2726#2722
TOTALS2162053-1837
📊

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