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BOSTON MARATHON 2025

Sheamus Reardon

Bib: 25882•M

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0:00
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
9:43/mi
30:12
↑ 97↓ 3451.5%
10K· 6.21 mi
9:43/mi
1:00:22
↑ 79↓ 1380.4%
15K· 9.32 mi
9:56/mi
1:31:13
↑ 67↓ 78
20K· 12.43 mi
10:46/mi
2:04:41
↑ 106↓ 860.1%
Half· 13.11 mi
9:21/mi
2:11:04
↑ 19↓ 370.5%
25K· 15.53 mi
10:06/mi
2:35:34
↑ 66↓ 880.2%
30K· 18.64 mi
10:54/mi
3:09:25
↑ 181↓ 1480.2%
20M
10:17/mi
3:23:23
↑ 64↓ 500.2%
21M
10:34/mi
3:33:57
↑ 106↓ 241.6%
35K· 21.75 mi
10:19/mi
3:41:40
↑ 17↓ 861.7%
23M
10:36/mi
3:54:56
↑ 23↓ 630.6%
24M
9:52/mi
4:04:48
↓ 821.3%
40K· 24.85 mi
11:15/mi
4:14:25
↓ 200.3%
25.2M
11:42/mi
4:18:27
↑ 13↓ 160.2%
Finish· 26.22 mi
9:52/mi
4:28:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:04
Pace10:00 /mi
2nd Half
Distance13.11 mi
Time2:17:26
Pace10:29 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:2530:129:4330:12
9:43
-
10K
6.21 mi12:15:351:00:229:4330:10
9:43
0:00
15K
9.32 mi12:46:261:31:139:4730:51
9:56
+0:13
20K
12.43 mi13:19:542:04:4110:0233:28
10:46
+0:50
Half
13.11 mi13:26:172:11:0410:006:23
9:21
-1:25
25K
15.53 mi13:50:472:35:3410:0124:30
10:06
+0:45
30K
18.64 mi14:24:383:09:2510:1033:51
10:54
+0:48
20M
20.00 mi14:38:363:23:2310:1013:58
10:17
-0:37
21M
21.00 mi14:49:103:33:5710:1110:34
10:34
+0:17
35K
21.75 mi14:56:533:41:4010:127:43
10:19
-0:15
23M
23.00 mi15:10:093:54:5610:1313:16
10:36
+0:17
24M
24.00 mi15:20:014:04:4810:129:52
9:52
-0:44
40K
24.85 mi15:29:384:14:2510:149:37
11:15
+1:23
25.2M
25.20 mi15:33:404:18:2710:154:02
11:42
+0:27
Finish
26.22 mi15:43:434:28:3010:1510:03
9:52
-1:50

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

9:21 /mi

Average Pace

10:15 /mi

Slowest Pace

11:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:31

44% of race

Time at Steady Pace

56:45

21% of race

Time at Slower Pace

1:34:14

35% of race

Average Pace: 10:14 /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 mi11:45:2530:129:4330:12
9:43
#24897
10K
6.21 mi12:15:351:00:229:4330:10
9:43
#24764
15K
9.32 mi12:46:261:31:139:4730:51
9:56
#24788
20K
12.43 mi13:19:542:04:4110:0233:28
10:46
#25090
Half
13.11 mi13:26:172:11:0410:006:23
9:21
#24992
25K
15.53 mi13:50:472:35:3410:0124:30
10:06
#24749
30K
18.64 mi14:24:383:09:2510:1033:51
10:54
#24578
20M
20.00 mi14:38:363:23:2310:1013:58
10:17
#24418
21M
21.00 mi14:49:103:33:5710:1110:34
10:34
#24199
35K
21.75 mi14:56:533:41:4010:127:43
10:19
#24148
23M
23.00 mi15:10:093:54:5610:1313:16
10:36
#24035
24M
24.00 mi15:20:014:04:4810:129:52
9:52
#23913
40K
24.85 mi15:29:384:14:2510:149:37
11:15
#23913
25.2M
25.20 mi15:33:404:18:2710:154:02
11:42
#23898
Finish
26.22 mi15:43:434:28:3010:1510:03
9:52
#23864
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24897146781467824857(Top 88%)14650(Top 91%)14650(Top 260%)
10K6.21 mi3.10 mi24764+13314602+7614602+7624640(Top 87%)14533(Top 90%)14533(Top 258%)
15K9.32 mi3.11 mi24788-2414616-1414616-1424857(Top 88%)14650(Top 91%)14650(Top 260%)
20K12.43 mi3.11 mi25090-30214746-13014746-13025663(Top 90%)14973(Top 93%)14973(Top 265%)
Half13.11 mi0.68 mi24992+9814691+5514691+5523130(Top 81%)13849(Top 86%)13849(Top 245%)
25K15.53 mi2.42 mi24749+24314566+12514566+12523516(Top 83%)13969(Top 87%)13969(Top 248%)
30K18.64 mi3.11 mi24578+17114468+9814468+9823810(Top 84%)13983(Top 87%)13983(Top 248%)
20M20.00 mi1.36 mi24418+16014385+8314385+8321800(Top 77%)12958(Top 80%)12958(Top 230%)
21M21.00 mi1.00 mi24199+21914265+12014265+12020219(Top 71%)12141(Top 75%)12141(Top 215%)
35K21.75 mi0.75 mi24148+5114236+2914236+2922731(Top 80%)13273(Top 82%)13273(Top 235%)
23M23.00 mi1.25 mi24035+11314161+7514161+7522257(Top 78%)13000(Top 81%)13000(Top 230%)
24M24.00 mi1.00 mi23913+12214090+7114090+7120951(Top 74%)12325(Top 77%)12325(Top 218%)
40K24.85 mi0.85 mi2391314081+914081+923664(Top 83%)13597(Top 84%)13597(Top 241%)
25.2M25.20 mi0.35 mi23898+1514064+1714064+1722544(Top 79%)13059(Top 81%)13059(Top 231%)
Finish26.22 mi1.02 mi23864+3414037+2714037+2722504(Top 79%)13036(Top 81%)13036(Top 231%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

24857

Males

14650

M18-39

14650

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24640

Males

14533

M18-39

14533

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

24857

Males

14650

M18-39

14650

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

25663

Males

14973

M18-39

14973

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

23130

Males

13849

M18-39

13849

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

23516

Males

13969

M18-39

13969

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23810

Males

13983

M18-39

13983

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

21800

Males

12958

M18-39

12958

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

20219

Males

12141

M18-39

12141

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

22731

Males

13273

M18-39

13273

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

22257

Males

13000

M18-39

13000

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

20951

Males

12325

M18-39

12325

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23664

Males

13597

M18-39

13597

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22544

Males

13059

M18-39

13059

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

22504

Males

13036

M18-39

13036

Passing Analysis

Category:
Athletes Passed
1853
Passed By
820
Net Change
+1033
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24897
5K → 10K264131+133#24897#24764
10K → 15K124148-24#24764#24788
15K → 20K54356-302#24788#25090
20K → Half991+98#25090#24992
Half → 25K25815+243#24992#24749
25K → 30K22150+171#24749#24578
30K → 20M1655+160#24578#24418
20M → 21M2190+219#24418#24199
21M → 35K6312+51#24199#24148
35K → 23M13118+113#24148#24035
23M → 24M1242+122#24035#23913
24M → 40K41410#23913#23913
40K → 25.2M2813+15#23913#23898
25.2M → Finish6228+34#23898#23864
TOTALS1853820+1033
📊

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