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BOSTON MARATHON 2025

Sean Sawer

Bib: 31510•M

BC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 24%
Division (M18-39)
#0 / 5642
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:13/mi
22:25
↑ 97↓ 3451.5%
10K· 6.21 mi
6:41/mi
43:11
↑ 79↓ 1380.4%
15K· 9.32 mi
6:47/mi
1:04:17
↑ 67↓ 78
20K· 12.43 mi
6:56/mi
1:25:51
↑ 106↓ 860.1%
Half· 13.11 mi
6:27/mi
1:30:15
↑ 19↓ 370.5%
25K· 15.53 mi
6:45/mi
1:46:36
↑ 66↓ 880.2%
30K· 18.64 mi
6:55/mi
2:08:05
↑ 181↓ 1480.2%
20M
6:55/mi
2:17:29
↑ 64↓ 500.2%
21M
7:08/mi
2:24:37
↑ 106↓ 241.6%
35K· 21.75 mi
6:33/mi
2:29:31
↑ 17↓ 861.7%
23M
6:43/mi
2:37:55
↑ 23↓ 630.6%
24M
6:29/mi
2:44:24
↓ 821.3%
40K· 24.85 mi
6:27/mi
2:49:55
↓ 200.3%
25.2M
7:00/mi
2:52:20
↑ 13↓ 160.2%
Finish· 26.22 mi
6:07/mi
2:58:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:30:15
Pace6:53 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:28:19
Pace6:44 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:3322:257:1322:25
7:13
-
10K
6.21 mi12:08:1943:116:5720:46
6:41
-0:32
15K
9.32 mi12:29:251:04:176:5421:06
6:47
+0:06
20K
12.43 mi12:50:591:25:516:5421:34
6:56
+0:09
Half
13.11 mi12:55:231:30:156:534:24
6:27
-0:29
25K
15.53 mi13:11:441:46:366:5216:21
6:45
+0:18
30K
18.64 mi13:33:132:08:056:5221:29
6:55
+0:10
20M
20.00 mi13:42:372:17:296:529:24
6:55
0:00
21M
21.00 mi13:49:452:24:376:537:08
7:08
+0:13
35K
21.75 mi13:54:392:29:316:524:54
6:33
-0:35
23M
23.00 mi14:03:032:37:556:528:24
6:43
+0:10
24M
24.00 mi14:09:322:44:246:516:29
6:29
-0:14
40K
24.85 mi14:15:032:49:556:505:31
6:27
-0:02
25.2M
25.20 mi14:17:282:52:206:502:25
7:00
+0:33
Finish
26.22 mi14:23:422:58:346:496:14
6:07
-0:53

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

6:07 /mi

Average Pace

6:49 /mi

Slowest Pace

7:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:42

32% of race

Time at Steady Pace

2:01:52

68% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi11:47:3322:257:1322:25
7:13
#9567
10K
6.21 mi12:08:1943:116:5720:46
6:41
#7501
15K
9.32 mi12:29:251:04:176:5421:06
6:47
#7038
20K
12.43 mi12:50:591:25:516:5421:34
6:56
#6880
Half
13.11 mi12:55:231:30:156:534:24
6:27
#6704
25K
15.53 mi13:11:441:46:366:5216:21
6:45
#6271
30K
18.64 mi13:33:132:08:056:5221:29
6:55
#5742
20M
20.00 mi13:42:372:17:296:529:24
6:55
#5556
21M
21.00 mi13:49:452:24:376:537:08
7:08
#5322
35K
21.75 mi13:54:392:29:316:524:54
6:33
#5181
23M
23.00 mi14:03:032:37:556:528:24
6:43
#4925
24M
24.00 mi14:09:322:44:246:516:29
6:29
#4715
40K
24.85 mi14:15:032:49:556:505:31
6:27
#4509
25.2M
25.20 mi14:17:282:52:206:502:25
7:00
#4425
Finish
26.22 mi14:23:422:58:346:496:14
6:07
#4196
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi9567792279225982(Top 21%)5436(Top 34%)5436(Top 96%)
10K6.21 mi3.10 mi7501+20666654+12686654+12685189(Top 18%)4818(Top 30%)4818(Top 85%)
15K9.32 mi3.11 mi7038+4636313+3416313+3415982(Top 21%)5436(Top 34%)5436(Top 96%)
20K12.43 mi3.11 mi6880+1586190+1236190+1236495(Top 23%)5817(Top 36%)5817(Top 103%)
Half13.11 mi0.68 mi6704+1766051+1396051+1393368(Top 12%)3194(Top 20%)3194(Top 57%)
25K15.53 mi2.42 mi6271+4335676+3755676+3754422(Top 16%)4094(Top 25%)4094(Top 73%)
30K18.64 mi3.11 mi5742+5295229+4475229+4474166(Top 15%)3829(Top 24%)3829(Top 68%)
20M20.00 mi1.36 mi5556+1865075+1545075+1543614(Top 13%)3330(Top 21%)3330(Top 59%)
21M21.00 mi1.00 mi5322+2344867+2084867+2082827(Top 10%)2621(Top 16%)2621(Top 46%)
35K21.75 mi0.75 mi5181+1414746+1214746+1212720(Top 10%)2518(Top 16%)2518(Top 45%)
23M23.00 mi1.25 mi4925+2564519+2274519+2272294(Top 8%)2137(Top 13%)2137(Top 38%)
24M24.00 mi1.00 mi4715+2104333+1864333+1861980(Top 7%)1837(Top 11%)1837(Top 33%)
40K24.85 mi0.85 mi4509+2064144+1894144+1891452(Top 5%)1346(Top 8%)1346(Top 24%)
25.2M25.20 mi0.35 mi4425+844069+754069+751516(Top 5%)1387(Top 9%)1387(Top 25%)
Finish26.22 mi1.02 mi4196+2293865+2043865+2041262(Top 4%)1180(Top 7%)1180(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

5982

Males

5436

M18-39

5436

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

5189

Males

4818

M18-39

4818

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

5982

Males

5436

M18-39

5436

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6495

Males

5817

M18-39

5817

20K→Half

12.4 - 13.1 mi

Top 12%
×2story building
+19ft-37ft

Overall

3368

Males

3194

M18-39

3194

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4422

Males

4094

M18-39

4094

25K→30K

15.5 - 18.6 mi

Top 15%
×9story building
+181ft-148ft

Overall

4166

Males

3829

M18-39

3829

30K→20M

18.6 - 20.0 mi

Top 13%
×5story building
+64ft-50ft

Overall

3614

Males

3330

M18-39

3330

20M→21M

20.0 - 21.0 mi

Top 10%
×8story building
+106ft-24ft

Overall

2827

Males

2621

M18-39

2621

21M→35K

21.0 - 21.8 mi

Top 10%
×7story building
+17ft-86ft

Overall

2720

Males

2518

M18-39

2518

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2294

Males

2137

M18-39

2137

23M→24M

23.0 - 24.0 mi

Top 7%
×6story building
+12ft-82ft

Overall

1980

Males

1837

M18-39

1837

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1452

Males

1346

M18-39

1346

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1516

Males

1387

M18-39

1387

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2story building
+22ft-21ft

Overall

1262

Males

1180

M18-39

1180

Passing Analysis

Category:
Athletes Passed
5471
Passed By
100
Net Change
+5371
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9567
5K → 10K20671+2066#9567#7501
10K → 15K47512+463#7501#7038
15K → 20K22264+158#7038#6880
20K → Half1760+176#6880#6704
Half → 25K4396+433#6704#6271
25K → 30K5312+529#6271#5742
30K → 20M1959+186#5742#5556
20M → 21M2362+234#5556#5322
21M → 35K1421+141#5322#5181
35K → 23M2571+256#5181#4925
23M → 24M2100+210#4925#4715
24M → 40K2060+206#4715#4509
40K → 25.2M851+84#4509#4425
25.2M → Finish2301+229#4425#4196
TOTALS5471100+5371
📊

Passing Visuals

Category:
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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