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BOSTON MARATHON 2025

Stephen Haas

Bib: 5208•M

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 10%
Division (M18-39)
#0 / 5642
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:10
Rank: #3767
Start → 5K
20:10 | 6:29/mi
10K· 6.21 mi
40:06
Rank: #3430 (+337)
5K → 10K
19:56 | 6:25/mi
15K· 9.32 mi
59:55
Rank: #3205 (+225)
10K → 15K
19:49 | 6:23/mi
20K· 12.43 mi
1:19:36
Rank: #2889 (+316)
15K → 20K
19:41 | 6:20/mi
Half· 13.11 mi
1:23:50
Rank: #2832 (+57)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:39:13
Rank: #2669 (+163)
Half → 25K
15:23 | 6:21/mi
30K· 18.64 mi
1:59:18
Rank: #2447 (+222)
25K → 30K
20:05 | 6:28/mi
20M
2:08:14
Rank: #2373 (+74)
30K → 20M
8:56 | 6:34/mi
21M
2:14:34
Rank: #2196 (+177)
20M → 21M
6:20 | 6:20/mi
35K· 21.75 mi
2:18:49
Rank: #2051 (+145)
21M → 35K
4:15 | 5:41/mi
23M
2:26:28
Rank: #1863 (+188)
35K → 23M
7:39 | 6:07/mi
24M
2:32:34
Rank: #1767 (+96)
23M → 24M
6:06 | 6:06/mi
40K· 24.85 mi
2:37:49
Rank: #1675 (+92)
24M → 40K
5:15 | 6:08/mi
25.2M
2:40:10
Rank: #1647 (+28)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:46:38
Rank: #1645 (+2)
25.2M → Finish
6:28 | 6:21/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:23:50
Pace6:24 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:22:48
Pace6:19 /mi
📊Negative Split: 1.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:5720:106:2920:10
6:29
-
10K
6.21 mi10:45:5340:066:2719:56
6:25
-0:04
15K
9.32 mi11:05:4259:556:2619:49
6:23
-0:02
20K
12.43 mi11:25:231:19:366:2419:41
6:20
-0:03
Half
13.11 mi11:29:371:23:506:244:14
6:12
-0:08
25K
15.53 mi11:45:001:39:136:2315:23
6:21
+0:09
30K
18.64 mi12:05:051:59:186:2420:05
6:28
+0:07
20M
20.00 mi12:14:012:08:146:258:56
6:34
+0:06
21M
21.00 mi12:20:212:14:346:246:20
6:20
-0:14
35K
21.75 mi12:24:362:18:496:234:15
5:41
-0:39
23M
23.00 mi12:32:152:26:286:227:39
6:07
+0:26
24M
24.00 mi12:38:212:32:346:216:06
6:06
-0:01
40K
24.85 mi12:43:362:37:496:215:15
6:08
+0:02
25.2M
25.20 mi12:45:572:40:106:212:21
6:49
+0:41
Finish
26.22 mi12:52:252:46:386:226:28
6:21
-0:28

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

5:41 /mi

Average Pace

6:22 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:29

16% of race

Time at Steady Pace

2:16:48

82% of race

Time at Slower Pace

2:21

1% of race

Average Pace: 6:21 /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 mi10:25:5720:106:2920:10
6:29
#3767
10K
6.21 mi10:45:5340:066:2719:56
6:25
#3430
15K
9.32 mi11:05:4259:556:2619:49
6:23
#3205
20K
12.43 mi11:25:231:19:366:2419:41
6:20
#2889
Half
13.11 mi11:29:371:23:506:244:14
6:12
#2832
25K
15.53 mi11:45:001:39:136:2315:23
6:21
#2669
30K
18.64 mi12:05:051:59:186:2420:05
6:28
#2447
20M
20.00 mi12:14:012:08:146:258:56
6:34
#2373
21M
21.00 mi12:20:212:14:346:246:20
6:20
#2196
35K
21.75 mi12:24:362:18:496:234:15
5:41
#2051
23M
23.00 mi12:32:152:26:286:227:39
6:07
#1863
24M
24.00 mi12:38:212:32:346:216:06
6:06
#1767
40K
24.85 mi12:43:362:37:496:215:15
6:08
#1675
25.2M
25.20 mi12:45:572:40:106:212:21
6:49
#1647
Finish
26.22 mi12:52:252:46:386:226:28
6:21
#1645
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3767356635662800(Top 10%)2666(Top 17%)2666(Top 47%)
10K6.21 mi3.10 mi3430+3373257+3093257+3093151(Top 11%)2999(Top 19%)2999(Top 53%)
15K9.32 mi3.11 mi3205+2253047+2103047+2102800(Top 10%)2666(Top 17%)2666(Top 47%)
20K12.43 mi3.11 mi2889+3162756+2912756+2912195(Top 8%)2094(Top 13%)2094(Top 37%)
Half13.11 mi0.68 mi2832+572699+572699+572025(Top 7%)1934(Top 12%)1934(Top 34%)
25K15.53 mi2.42 mi2669+1632547+1522547+1522084(Top 7%)1985(Top 12%)1985(Top 35%)
30K18.64 mi3.11 mi2447+2222335+2122335+2121828(Top 6%)1738(Top 11%)1738(Top 31%)
20M20.00 mi1.36 mi2373+742264+712264+711929(Top 7%)1826(Top 11%)1826(Top 32%)
21M21.00 mi1.00 mi2196+1772094+1702094+170418(Top 1%)394(Top 2%)394(Top 7%)
35K21.75 mi0.75 mi2051+1451950+1441950+144253(Top 0.9%)233(Top 1%)233(Top 4%)
23M23.00 mi1.25 mi1863+1881767+1831767+183511(Top 2%)483(Top 3%)483(Top 9%)
24M24.00 mi1.00 mi1767+961675+921675+92783(Top 3%)737(Top 5%)737(Top 13%)
40K24.85 mi0.85 mi1675+921585+901585+90633(Top 2%)593(Top 4%)593(Top 11%)
25.2M25.20 mi0.35 mi1647+281559+261559+261046(Top 4%)964(Top 6%)964(Top 17%)
Finish26.22 mi1.02 mi1645+21556+31556+32087(Top 7%)1914(Top 12%)1914(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2800

Males

2666

M18-39

2666

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3151

Males

2999

M18-39

2999

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2800

Males

2666

M18-39

2666

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2195

Males

2094

M18-39

2094

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

2025

Males

1934

M18-39

1934

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

2084

Males

1985

M18-39

1985

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1828

Males

1738

M18-39

1738

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1929

Males

1826

M18-39

1826

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

418

Males

394

M18-39

394

21M→35K

21.0 - 21.8 mi

Top 0.9%
×7stories
+17ft-86ft

Overall

253

Males

233

M18-39

233

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

511

Males

483

M18-39

483

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

783

Males

737

M18-39

737

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

633

Males

593

M18-39

593

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1046

Males

964

M18-39

964

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

2087

Males

1914

M18-39

1914

Passing Analysis

Category:
Athletes Passed
2235
Passed By
113
Net Change
+2122
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3767
5K → 10K36932+337#3767#3430
10K → 15K24318+225#3430#3205
15K → 20K3171+316#3205#2889
20K → Half592+57#2889#2832
Half → 25K1718+163#2832#2669
25K → 30K2297+222#2669#2447
30K → 20M8612+74#2447#2373
20M → 21M1770+177#2373#2196
21M → 35K1450+145#2196#2051
35K → 23M1880+188#2051#1863
23M → 24M971+96#1863#1767
24M → 40K920+92#1767#1675
40K → 25.2M324+28#1675#1647
25.2M → Finish3028+2#1647#1645
TOTALS2235113+2122
📊

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