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BOSTON MARATHON 2025

Joe Starr

Bib: 2555•M

NS

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
19:46
Rank: #2834
Start → 5K
6:22/mi
19:46 split
10K· 6.21 mi
38:51
Rank: #2146 (+688)
5K → 10K
6:09/mi
19:05 split
15K· 9.32 mi
58:31
Rank: #2244 (-98)
10K → 15K
6:20/mi
19:40 split
20K· 12.43 mi
1:18:16
Rank: #2250 (-6)
15K → 20K
6:21/mi
19:45 split
Half· 13.11 mi
1:22:33
Rank: #2252 (-2)
20K → Half
6:17/mi
4:17 split
25K· 15.53 mi
1:37:58
Rank: #2203 (+49)
Half → 25K
6:22/mi
15:25 split
30K· 18.64 mi
1:58:46
Rank: #2293 (-90)
25K → 30K
6:42/mi
20:48 split
20M
2:08:17
Rank: #2391 (-98)
30K → 20M
7:00/mi
9:31 split
21M
2:15:30
Rank: #2398 (-7)
20M → 21M
7:13/mi
7:13 split
35K· 21.75 mi
2:20:26
Rank: #2388 (+10)
21M → 35K
6:36/mi
4:56 split
23M
2:29:15
Rank: #2465 (-77)
35K → 23M
7:03/mi
8:49 split
24M
2:36:12
Rank: #2506 (-41)
23M → 24M
6:57/mi
6:57 split
40K· 24.85 mi
2:42:31
Rank: #2594 (-88)
24M → 40K
7:23/mi
6:19 split
25.2M
2:45:17
Rank: #2640 (-46)
40K → 25.2M
8:01/mi
2:46 split
Finish· 26.22 mi
2:52:50
Rank: #2782 (-142)
25.2M → Finish
7:25/mi
7:33 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:33
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:30:17
Pace6:53 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2919:466:2219:46
6:22
-
10K
6.21 mi10:40:3438:516:1519:05
6:09
-0:13
15K
9.32 mi11:00:1458:316:1719:40
6:20
+0:11
20K
12.43 mi11:19:591:18:166:1819:45
6:21
+0:01
Half
13.11 mi11:24:161:22:336:184:17
6:17
-0:04
25K
15.53 mi11:39:411:37:586:1815:25
6:22
+0:05
30K
18.64 mi12:00:291:58:466:2220:48
6:42
+0:20
20M
20.00 mi12:10:002:08:176:259:31
7:00
+0:18
21M
21.00 mi12:17:132:15:306:277:13
7:13
+0:13
35K
21.75 mi12:22:092:20:266:274:56
6:36
-0:37
23M
23.00 mi12:30:582:29:156:298:49
7:03
+0:27
24M
24.00 mi12:37:552:36:126:316:57
6:57
-0:06
40K
24.85 mi12:44:142:42:316:326:19
7:23
+0:26
25.2M
25.20 mi12:47:002:45:176:342:46
8:01
+0:38
Finish
26.22 mi12:54:332:52:506:367:33
7:25
-0:36

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

6:09 /mi

Average Pace

6:36 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:58

57% of race

Time at Steady Pace

32:41

19% of race

Time at Slower Pace

42:11

24% 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 mi10:21:2919:466:2219:46
6:22
#2834
10K
6.21 mi10:40:3438:516:1519:05
6:09
#2146
15K
9.32 mi11:00:1458:316:1719:40
6:20
#2244
20K
12.43 mi11:19:591:18:166:1819:45
6:21
#2250
Half
13.11 mi11:24:161:22:336:184:17
6:17
#2252
25K
15.53 mi11:39:411:37:586:1815:25
6:22
#2203
30K
18.64 mi12:00:291:58:466:2220:48
6:42
#2293
20M
20.00 mi12:10:002:08:176:259:31
7:00
#2391
21M
21.00 mi12:17:132:15:306:277:13
7:13
#2398
35K
21.75 mi12:22:092:20:266:274:56
6:36
#2388
23M
23.00 mi12:30:582:29:156:298:49
7:03
#2465
24M
24.00 mi12:37:552:36:126:316:57
6:57
#2506
40K
24.85 mi12:44:142:42:316:326:19
7:23
#2594
25.2M
25.20 mi12:47:002:45:176:342:46
8:01
#2640
Finish
26.22 mi12:54:332:52:506:367:33
7:25
#2782
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2834269726972515(Top 9%)2400(Top 15%)2400(Top 43%)
10K6.21 mi3.10 mi2146+6882048+6492048+6491648(Top 6%)1569(Top 10%)1569(Top 28%)
15K9.32 mi3.11 mi2244-982142-942142-942515(Top 9%)2400(Top 15%)2400(Top 43%)
20K12.43 mi3.11 mi2250-62151-92151-92300(Top 8%)2193(Top 14%)2193(Top 39%)
Half13.11 mi0.68 mi2252-2215121512388(Top 8%)2285(Top 14%)2285(Top 40%)
25K15.53 mi2.42 mi2203+492104+472104+472146(Top 8%)2042(Top 13%)2042(Top 36%)
30K18.64 mi3.11 mi2293-902188-842188-842858(Top 10%)2699(Top 17%)2699(Top 48%)
20M20.00 mi1.36 mi2391-982281-932281-934087(Top 14%)3740(Top 23%)3740(Top 66%)
21M21.00 mi1.00 mi2398-72285-42285-43185(Top 11%)2933(Top 18%)2933(Top 52%)
35K21.75 mi0.75 mi2388+102277+82277+82891(Top 10%)2663(Top 17%)2663(Top 47%)
23M23.00 mi1.25 mi2465-772347-702347-703978(Top 14%)3548(Top 22%)3548(Top 63%)
24M24.00 mi1.00 mi2506-412381-342381-344319(Top 15%)3771(Top 23%)3771(Top 67%)
40K24.85 mi0.85 mi2594-882462-812462-816081(Top 21%)4881(Top 30%)4881(Top 87%)
25.2M25.20 mi0.35 mi2640-462501-392501-395947(Top 21%)4673(Top 29%)4673(Top 83%)
Finish26.22 mi1.02 mi2782-1422632-1312632-1318495(Top 30%)6167(Top 38%)6167(Top 109%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2515

Males

2400

M18-39

2400

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1648

Males

1569

M18-39

1569

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2515

Males

2400

M18-39

2400

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2300

Males

2193

M18-39

2193

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2388

Males

2285

M18-39

2285

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2146

Males

2042

M18-39

2042

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2858

Males

2699

M18-39

2699

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

4087

Males

3740

M18-39

3740

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3185

Males

2933

M18-39

2933

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2891

Males

2663

M18-39

2663

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3978

Males

3548

M18-39

3548

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4319

Males

3771

M18-39

3771

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

6081

Males

4881

M18-39

4881

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5947

Males

4673

M18-39

4673

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8495

Males

6167

M18-39

6167

Passing Analysis

Category:
Athletes Passed
1119
Passed By
1067
Net Change
+52
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2834
5K → 10K6913+688#2834#2146
10K → 15K35133-98#2146#2244
15K → 20K7278-6#2244#2250
20K → Half911-2#2250#2252
Half → 25K7122+49#2252#2203
25K → 30K62152-90#2203#2293
30K → 20M18116-98#2293#2391
20M → 21M4047-7#2391#2398
21M → 35K3626+10#2398#2388
35K → 23M24101-77#2388#2465
23M → 24M3576-41#2465#2506
24M → 40K15103-88#2506#2594
40K → 25.2M551-46#2594#2640
25.2M → Finish6148-142#2640#2782
TOTALS11191067+52
📊

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