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BOSTON MARATHON 2025

Cillian Moss

Bib: 31894•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Male)
#0 / 16105
Top 50%
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
7:09/mi
22:13
↑ 97↓ 3451.5%
10K· 6.21 mi
7:06/mi
44:15
↑ 79↓ 1380.4%
15K· 9.32 mi
7:07/mi
1:06:21
↑ 67↓ 78
20K· 12.43 mi
7:09/mi
1:28:33
↑ 106↓ 860.1%
Half· 13.11 mi
7:05/mi
1:33:23
↑ 19↓ 370.5%
25K· 15.53 mi
7:15/mi
1:50:57
↑ 66↓ 880.2%
30K· 18.64 mi
7:45/mi
2:15:01
↑ 181↓ 1480.2%
20M
8:04/mi
2:25:59
↑ 64↓ 500.2%
21M
9:33/mi
2:35:32
↑ 106↓ 241.6%
35K· 21.75 mi
7:32/mi
2:41:10
↑ 17↓ 861.7%
23M
8:56/mi
2:52:21
↑ 23↓ 630.6%
24M
8:33/mi
3:00:54
↓ 821.3%
40K· 24.85 mi
9:32/mi
3:09:03
↓ 200.3%
25.2M
10:26/mi
3:12:39
↑ 13↓ 160.2%
Finish· 26.22 mi
8:33/mi
3:21:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:23
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:47:59
Pace8:14 /mi
📊Positive Split: 15.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:5622:137:0922:13
7:09
-
10K
6.21 mi12:01:5844:157:0722:02
7:06
-0:03
15K
9.32 mi12:24:041:06:217:0722:06
7:07
+0:01
20K
12.43 mi12:46:161:28:337:0822:12
7:09
+0:02
Half
13.11 mi12:51:061:33:237:074:50
7:05
-0:04
25K
15.53 mi13:08:401:50:577:0917:34
7:15
+0:10
30K
18.64 mi13:32:442:15:017:1524:04
7:45
+0:30
20M
20.00 mi13:43:422:25:597:1810:58
8:04
+0:19
21M
21.00 mi13:53:152:35:327:249:33
9:33
+1:29
35K
21.75 mi13:58:532:41:107:255:38
7:32
-2:01
23M
23.00 mi14:10:042:52:217:3011:11
8:56
+1:24
24M
24.00 mi14:18:373:00:547:328:33
8:33
-0:23
40K
24.85 mi14:26:463:09:037:368:09
9:32
+0:59
25.2M
25.20 mi14:30:223:12:397:393:36
10:26
+0:54
Finish
26.22 mi14:39:053:21:227:418:43
8:33
-1:53

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

7:05 /mi

Average Pace

7:41 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:23

46% of race

Time at Steady Pace

58:14

29% of race

Time at Slower Pace

49:45

25% of race

Average Pace: 7:41 /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 mi11:39:5622:137:0922:13
7:09
#9065
10K
6.21 mi12:01:5844:157:0722:02
7:06
#8795
15K
9.32 mi12:24:041:06:217:0722:06
7:07
#8648
20K
12.43 mi12:46:161:28:337:0822:12
7:09
#8345
Half
13.11 mi12:51:061:33:237:074:50
7:05
#8330
25K
15.53 mi13:08:401:50:577:0917:34
7:15
#8234
30K
18.64 mi13:32:442:15:017:1524:04
7:45
#8377
20M
20.00 mi13:43:422:25:597:1810:58
8:04
#8513
21M
21.00 mi13:53:152:35:327:249:33
9:33
#9038
35K
21.75 mi13:58:532:41:107:255:38
7:32
#9012
23M
23.00 mi14:10:042:52:217:3011:11
8:56
#9445
24M
24.00 mi14:18:373:00:547:328:33
8:33
#9700
40K
24.85 mi14:26:463:09:037:368:09
9:32
#10135
25.2M
25.20 mi14:30:223:12:397:393:36
10:26
#10311
Finish
26.22 mi14:39:053:21:227:418:43
8:33
#10548
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi9065765076508421(Top 30%)7194(Top 45%)7194(Top 128%)
10K6.21 mi3.10 mi8795+2707478+1727478+1728602(Top 30%)7365(Top 46%)7365(Top 131%)
15K9.32 mi3.11 mi8648+1477375+1037375+1038421(Top 30%)7194(Top 45%)7194(Top 128%)
20K12.43 mi3.11 mi8345+3037162+2137162+2137789(Top 27%)6743(Top 42%)6743(Top 120%)
Half13.11 mi0.68 mi8330+157151+117151+118185(Top 29%)7024(Top 44%)7024(Top 124%)
25K15.53 mi2.42 mi8234+967072+797072+797959(Top 28%)6744(Top 42%)6744(Top 120%)
30K18.64 mi3.11 mi8377-1437109-377109-379521(Top 34%)7443(Top 46%)7443(Top 132%)
20M20.00 mi1.36 mi8513-1367155-467155-4610873(Top 38%)7966(Top 49%)7966(Top 141%)
21M21.00 mi1.00 mi9038-5257427-2727427-27216271(Top 57%)10363(Top 64%)10363(Top 184%)
35K21.75 mi0.75 mi9012+267388+397388+398836(Top 31%)6767(Top 42%)6767(Top 120%)
23M23.00 mi1.25 mi9445-4337593-2057593-20515845(Top 56%)9993(Top 62%)9993(Top 177%)
24M24.00 mi1.00 mi9700-2557685-927685-9214790(Top 52%)9483(Top 59%)9483(Top 168%)
40K24.85 mi0.85 mi10135-4357860-1757860-17518810(Top 66%)11219(Top 70%)11219(Top 199%)
25.2M25.20 mi0.35 mi10311-1767936-767936-7618710(Top 66%)11154(Top 69%)11154(Top 198%)
Finish26.22 mi1.02 mi10548-2378025-898025-8916530(Top 58%)10159(Top 63%)10159(Top 180%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8421

Males

7194

M18-39

7194

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8602

Males

7365

M18-39

7365

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8421

Males

7194

M18-39

7194

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

7789

Males

6743

M18-39

6743

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

8185

Males

7024

M18-39

7024

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7959

Males

6744

M18-39

6744

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9521

Males

7443

M18-39

7443

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10873

Males

7966

M18-39

7966

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

16271

Males

10363

M18-39

10363

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8836

Males

6767

M18-39

6767

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

15845

Males

9993

M18-39

9993

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

14790

Males

9483

M18-39

9483

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18810

Males

11219

M18-39

11219

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18710

Males

11154

M18-39

11154

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

16530

Males

10159

M18-39

10159

Passing Analysis

Category:
Athletes Passed
1562
Passed By
3043
Net Change
-1483
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9065
5K → 10K36797+270#9065#8795
10K → 15K23891+147#8795#8648
15K → 20K34239+303#8648#8345
20K → Half3419+15#8345#8330
Half → 25K16973+96#8330#8234
25K → 30K152295-143#8234#8377
30K → 20M66202-136#8377#8513
20M → 21M14539-525#8513#9038
21M → 35K7448+26#9038#9012
35K → 23M37470-433#9012#9445
23M → 24M28283-255#9445#9700
24M → 40K12445-435#9700#10135
40K → 25.2M5181-176#10135#10311
25.2M → Finish24261-237#10311#10548
TOTALS15623043-1483
📊

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