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BOSTON MARATHON 2025

Steven Reierson

Bib: 2582•M

MO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 7%
Division (M18-39)
#0 / 5642
Top 16%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:45
Rank: #2783
Start → 5K
19:45 | 6:21/mi
10K· 6.21 mi
39:14
Rank: #2507 (+276)
5K → 10K
19:29 | 6:16/mi
15K· 9.32 mi
58:29
Rank: #2218 (+289)
10K → 15K
19:15 | 6:12/mi
20K· 12.43 mi
1:17:43
Rank: #2012 (+206)
15K → 20K
19:14 | 6:11/mi
Half· 13.11 mi
1:21:54
Rank: #1988 (+24)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:36:46
Rank: #1832 (+156)
Half → 25K
14:52 | 6:08/mi
30K· 18.64 mi
1:56:04
Rank: #1603 (+229)
25K → 30K
19:18 | 6:13/mi
20M
2:04:36
Rank: #1509 (+94)
30K → 20M
8:32 | 6:17/mi
21M
2:11:09
Rank: #1429 (+80)
20M → 21M
6:33 | 6:33/mi
35K· 21.75 mi
2:15:38
Rank: #1373 (+56)
21M → 35K
4:29 | 6:00/mi
23M
2:23:22
Rank: #1288 (+85)
35K → 23M
7:44 | 6:11/mi
24M
2:29:25
Rank: #1233 (+55)
23M → 24M
6:03 | 6:03/mi
40K· 24.85 mi
2:34:42
Rank: #1187 (+46)
24M → 40K
5:17 | 6:11/mi
25.2M
2:37:02
Rank: #1171 (+16)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:43:05
Rank: #1125 (+46)
25.2M → Finish
6:03 | 5:56/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:21:54
Pace6:15 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:21:11
Pace6:12 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0919:456:2119:45
6:21
-
10K
6.21 mi10:40:3839:146:1919:29
6:16
-0:05
15K
9.32 mi10:59:5358:296:1619:15
6:12
-0:04
20K
12.43 mi11:19:071:17:436:1519:14
6:11
-0:01
Half
13.11 mi11:23:181:21:546:154:11
6:08
-0:03
25K
15.53 mi11:38:101:36:466:1414:52
6:08
0:00
30K
18.64 mi11:57:281:56:046:1419:18
6:13
+0:05
20M
20.00 mi12:06:002:04:366:148:32
6:17
+0:04
21M
21.00 mi12:12:332:11:096:156:33
6:33
+0:16
35K
21.75 mi12:17:022:15:386:144:29
6:00
-0:33
23M
23.00 mi12:24:462:23:226:147:44
6:11
+0:11
24M
24.00 mi12:30:492:29:256:146:03
6:03
-0:08
40K
24.85 mi12:36:062:34:426:135:17
6:11
+0:08
25.2M
25.20 mi12:38:262:37:026:142:20
6:46
+0:35
Finish
26.22 mi12:44:292:43:056:136:03
5:56
-0:50

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

5:56 /mi

Average Pace

6:13 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:12

95% of race

Time at Steady Pace

8:53

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:13 /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 mi10:21:0919:456:2119:45
6:21
#2783
10K
6.21 mi10:40:3839:146:1919:29
6:16
#2507
15K
9.32 mi10:59:5358:296:1619:15
6:12
#2218
20K
12.43 mi11:19:071:17:436:1519:14
6:11
#2012
Half
13.11 mi11:23:181:21:546:154:11
6:08
#1988
25K
15.53 mi11:38:101:36:466:1414:52
6:08
#1832
30K
18.64 mi11:57:281:56:046:1419:18
6:13
#1603
20M
20.00 mi12:06:002:04:366:148:32
6:17
#1509
21M
21.00 mi12:12:332:11:096:156:33
6:33
#1429
35K
21.75 mi12:17:022:15:386:144:29
6:00
#1373
23M
23.00 mi12:24:462:23:226:147:44
6:11
#1288
24M
24.00 mi12:30:492:29:256:146:03
6:03
#1233
40K
24.85 mi12:36:062:34:426:135:17
6:11
#1187
25.2M
25.20 mi12:38:262:37:026:142:20
6:46
#1171
Finish
26.22 mi12:44:292:43:056:136:03
5:56
#1125
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2783264826481830(Top 6%)1741(Top 11%)1741(Top 31%)
10K6.21 mi3.10 mi2507+2762387+2612387+2612218(Top 8%)2119(Top 13%)2119(Top 38%)
15K9.32 mi3.11 mi2218+2892117+2702117+2701830(Top 6%)1741(Top 11%)1741(Top 31%)
20K12.43 mi3.11 mi2012+2061920+1971920+1971537(Top 5%)1458(Top 9%)1458(Top 26%)
Half13.11 mi0.68 mi1988+241898+221898+221622(Top 6%)1541(Top 10%)1541(Top 27%)
25K15.53 mi2.42 mi1832+1561744+1541744+1541202(Top 4%)1135(Top 7%)1135(Top 20%)
30K18.64 mi3.11 mi1603+2291520+2241520+224954(Top 3%)896(Top 6%)896(Top 16%)
20M20.00 mi1.36 mi1509+941428+921428+92913(Top 3%)861(Top 5%)861(Top 15%)
21M21.00 mi1.00 mi1429+801349+791349+79792(Top 3%)749(Top 5%)749(Top 13%)
35K21.75 mi0.75 mi1373+561295+541295+54733(Top 3%)686(Top 4%)686(Top 12%)
23M23.00 mi1.25 mi1288+851213+821213+82641(Top 2%)605(Top 4%)605(Top 11%)
24M24.00 mi1.00 mi1233+551160+531160+53682(Top 2%)640(Top 4%)640(Top 11%)
40K24.85 mi0.85 mi1187+461118+421118+42699(Top 2%)654(Top 4%)654(Top 12%)
25.2M25.20 mi0.35 mi1171+161102+161102+16889(Top 3%)822(Top 5%)822(Top 15%)
Finish26.22 mi1.02 mi1125+461060+421060+42775(Top 3%)729(Top 5%)729(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1830

Males

1741

M18-39

1741

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2218

Males

2119

M18-39

2119

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1830

Males

1741

M18-39

1741

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1537

Males

1458

M18-39

1458

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1622

Males

1541

M18-39

1541

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1202

Males

1135

M18-39

1135

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

954

Males

896

M18-39

896

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

913

Males

861

M18-39

861

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

792

Males

749

M18-39

749

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

733

Males

686

M18-39

686

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

641

Males

605

M18-39

605

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

682

Males

640

M18-39

640

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

699

Males

654

M18-39

654

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

889

Males

822

M18-39

822

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

775

Males

729

M18-39

729

Passing Analysis

Category:
Athletes Passed
1717
Passed By
59
Net Change
+1658
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2783
5K → 10K30327+276#2783#2507
10K → 15K2934+289#2507#2218
15K → 20K2060+206#2218#2012
20K → Half251+24#2012#1988
Half → 25K1593+156#1988#1832
25K → 30K2312+229#1832#1603
30K → 20M973+94#1603#1509
20M → 21M855+80#1509#1429
21M → 35K560+56#1429#1373
35K → 23M872+85#1373#1288
23M → 24M561+55#1288#1233
24M → 40K537+46#1233#1187
40K → 25.2M182+16#1187#1171
25.2M → Finish482+46#1171#1125
TOTALS171759+1658
📊

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