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BOSTON MARATHON 2025

Noah Stephens

Bib: 3648•M

OH

0:00
0:00
/ mi
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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
7:20/mi
22:48
↑ 97↓ 3451.5%
10K· 6.21 mi
6:54/mi
44:15
↑ 79↓ 1380.4%
15K· 9.32 mi
6:54/mi
1:05:40
↑ 67↓ 78
20K· 12.43 mi
6:51/mi
1:26:57
↑ 106↓ 860.1%
Half· 13.11 mi
6:50/mi
1:31:37
↑ 19↓ 370.5%
25K· 15.53 mi
6:57/mi
1:48:28
↑ 66↓ 880.2%
30K· 18.64 mi
7:34/mi
2:11:59
↑ 181↓ 1480.2%
20M
10:40/mi
2:26:29
↑ 64↓ 500.2%
21M
9:06/mi
2:35:35
↑ 106↓ 241.6%
35K· 21.75 mi
10:46/mi
2:43:38
↑ 17↓ 861.7%
23M
9:21/mi
2:55:21
↑ 23↓ 630.6%
24M
10:02/mi
3:05:23
↓ 821.3%
40K· 24.85 mi
13:02/mi
3:16:32
↓ 200.3%
25.2M
14:47/mi
3:21:38
↑ 13↓ 160.2%
Finish· 26.22 mi
13:07/mi
3:35:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:37
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time2:03:23
Pace9:25 /mi
📊Positive Split: 34.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2622:487:2022:48
7:20
-
10K
6.21 mi10:46:5344:157:0721:27
6:54
-0:26
15K
9.32 mi11:08:181:05:407:0321:25
6:54
0:00
20K
12.43 mi11:29:351:26:577:0021:17
6:51
-0:03
Half
13.11 mi11:34:151:31:376:594:40
6:50
-0:01
25K
15.53 mi11:51:061:48:286:5916:51
6:57
+0:07
30K
18.64 mi12:14:372:11:597:0523:31
7:34
+0:37
20M
20.00 mi12:29:072:26:297:1914:30
10:40
+3:06
21M
21.00 mi12:38:132:35:357:259:06
9:06
-1:34
35K
21.75 mi12:46:162:43:387:318:03
10:46
+1:40
23M
23.00 mi12:57:592:55:217:3711:43
9:21
-1:25
24M
24.00 mi13:08:013:05:237:4310:02
10:02
+0:41
40K
24.85 mi13:19:103:16:327:5411:09
13:02
+3:00
25.2M
25.20 mi13:24:163:21:388:005:06
14:47
+1:45
Finish
26.22 mi13:37:383:35:008:1213:22
13:07
-1:40

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

6:50 /mi

Average Pace

8:12 /mi

Slowest Pace

14:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:59

61% of race

Time at Steady Pace

30:51

14% of race

Time at Slower Pace

52:10

24% of race

Average Pace: 8:12 /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 mi10:25:2622:487:2022:48
7:20
#10733
10K
6.21 mi10:46:5344:157:0721:27
6:54
#8788
15K
9.32 mi11:08:181:05:407:0321:25
6:54
#8069
20K
12.43 mi11:29:351:26:577:0021:17
6:51
#7473
Half
13.11 mi11:34:151:31:376:594:40
6:50
#7413
25K
15.53 mi11:51:061:48:286:5916:51
6:57
#7146
30K
18.64 mi12:14:372:11:597:0523:31
7:34
#7212
20M
20.00 mi12:29:072:26:297:1914:30
10:40
#8733
21M
21.00 mi12:38:132:35:357:259:06
9:06
#9049
35K
21.75 mi12:46:162:43:387:318:03
10:46
#9940
23M
23.00 mi12:57:592:55:217:3711:43
9:21
#10537
24M
24.00 mi13:08:013:05:237:4310:02
10:02
#11194
40K
24.85 mi13:19:103:16:327:5411:09
13:02
#12542
25.2M
25.20 mi13:24:163:21:388:005:06
14:47
#13152
Finish
26.22 mi13:37:383:35:008:1213:22
13:07
#14567
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi10733854985496883(Top 24%)6159(Top 38%)6159(Top 109%)
10K6.21 mi3.10 mi8788+19457471+10787471+10787238(Top 25%)6460(Top 40%)6460(Top 114%)
15K9.32 mi3.11 mi8069+7197018+4537018+4536883(Top 24%)6159(Top 38%)6159(Top 109%)
20K12.43 mi3.11 mi7473+5966609+4096609+4095762(Top 20%)5244(Top 33%)5244(Top 93%)
Half13.11 mi0.68 mi7413+606566+436566+436384(Top 22%)5724(Top 36%)5724(Top 101%)
25K15.53 mi2.42 mi7146+2676357+2096357+2095959(Top 21%)5363(Top 33%)5363(Top 95%)
30K18.64 mi3.11 mi7212-66635763578194(Top 29%)6696(Top 42%)6696(Top 119%)
20M20.00 mi1.36 mi8733-15217276-9197276-91922866(Top 81%)13457(Top 84%)13457(Top 239%)
21M21.00 mi1.00 mi9049-3167431-1557431-15514054(Top 49%)9343(Top 58%)9343(Top 166%)
35K21.75 mi0.75 mi9940-8917881-4507881-45023694(Top 83%)13731(Top 85%)13731(Top 243%)
23M23.00 mi1.25 mi10537-5978138-2578138-25718021(Top 63%)10979(Top 68%)10979(Top 195%)
24M24.00 mi1.00 mi11194-6578407-2698407-26921442(Top 75%)12553(Top 78%)12553(Top 222%)
40K24.85 mi0.85 mi12542-13489034-6279034-62726330(Top 93%)14955(Top 93%)14955(Top 265%)
25.2M25.20 mi0.35 mi13152-6109294-2609294-26026970(Top 95%)15248(Top 95%)15248(Top 270%)
Finish26.22 mi1.02 mi14567-14159888-5949888-59427685(Top 97%)15665(Top 97%)15665(Top 278%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6883

Males

6159

M18-39

6159

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

7238

Males

6460

M18-39

6460

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6883

Males

6159

M18-39

6159

15K→20K

9.3 - 12.4 mi

Top 20%
×5story building
+106ft-86ft

Overall

5762

Males

5244

M18-39

5244

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

6384

Males

5724

M18-39

5724

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

5959

Males

5363

M18-39

5363

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8194

Males

6696

M18-39

6696

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

22866

Males

13457

M18-39

13457

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

14054

Males

9343

M18-39

9343

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

23694

Males

13731

M18-39

13731

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

18021

Males

10979

M18-39

10979

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21442

Males

12553

M18-39

12553

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26330

Males

14955

M18-39

14955

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

26970

Males

15248

M18-39

15248

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

27685

Males

15665

M18-39

15665

Passing Analysis

Category:
Athletes Passed
3849*
Passed By
7680
Net Change
-3834
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10733
5K → 10K1951*6+1945#10733#8788
10K → 15K7212+719#8788#8069
15K → 20K5971+596#8069#7473
20K → Half655+60#7473#7413
Half → 25K2769+267#7413#7146
25K → 30K158224-66#7146#7212
30K → 20M51526-1521#7212#8733
20M → 21M32348-316#8733#9049
21M → 35K4894-891#9049#9940
35K → 23M18613-597#9940#10537
23M → 24M16673-657#10537#11194
24M → 40K31351-1348#11194#12542
40K → 25.2M1611-610#12542#13152
25.2M → Finish21417-1415#13152#14567
TOTALS3849*7680-3834

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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