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BOSTON MARATHON 2025

Sage Costen

Bib: 1835•M

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 22%
Division (M18-39)
#0 / 5642
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:17
Rank: #4037
Start → 5K
20:17 | 6:32/mi
10K· 6.21 mi
39:52
Rank: #3171 (+866)
5K → 10K
19:35 | 6:18/mi
15K· 9.32 mi
59:32
Rank: #2911 (+260)
10K → 15K
19:40 | 6:20/mi
20K· 12.43 mi
1:19:20
Rank: #2754 (+157)
15K → 20K
19:48 | 6:22/mi
Half· 13.11 mi
1:23:39
Rank: #2745 (+9)
20K → Half
4:19 | 6:20/mi
25K· 15.53 mi
1:39:08
Rank: #2635 (+110)
Half → 25K
15:29 | 6:23/mi
30K· 18.64 mi
1:59:35
Rank: #2532 (+103)
25K → 30K
20:27 | 6:35/mi
20M
2:08:54
Rank: #2542 (-10)
30K → 20M
9:19 | 6:51/mi
21M
2:16:54
Rank: #2769 (-227)
20M → 21M
8:00 | 8:00/mi
35K· 21.75 mi
2:22:36
Rank: #2942 (-173)
21M → 35K
5:42 | 7:37/mi
23M
2:32:40
Rank: #3279 (-337)
35K → 23M
10:04 | 8:02/mi
24M
2:40:11
Rank: #3431 (-152)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
2:47:00
Rank: #3652 (-221)
24M → 40K
6:49 | 7:58/mi
25.2M
2:49:55
Rank: #3732 (-80)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
2:57:14
Rank: #3801 (-69)
25.2M → Finish
7:19 | 7:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:39
Pace6:23 /mi
2nd Half
Distance13.11 mi
Time1:33:35
Pace7:08 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:0220:176:3220:17
6:32
-
10K
6.21 mi11:05:3739:526:2519:35
6:18
-0:14
15K
9.32 mi11:25:1759:326:2319:40
6:20
+0:02
20K
12.43 mi11:45:051:19:206:2319:48
6:22
+0:02
Half
13.11 mi11:49:241:23:396:234:19
6:20
-0:02
25K
15.53 mi12:04:531:39:086:2315:29
6:23
+0:03
30K
18.64 mi12:25:201:59:356:2520:27
6:35
+0:12
20M
20.00 mi12:34:392:08:546:279:19
6:51
+0:16
21M
21.00 mi12:42:392:16:546:318:00
8:00
+1:09
35K
21.75 mi12:48:212:22:366:335:42
7:37
-0:23
23M
23.00 mi12:58:252:32:406:3810:04
8:02
+0:25
24M
24.00 mi13:05:562:40:116:407:31
7:31
-0:31
40K
24.85 mi13:12:452:47:006:436:49
7:58
+0:27
25.2M
25.20 mi13:15:402:49:556:452:55
8:27
+0:29
Finish
26.22 mi13:22:592:57:146:467:19
7:11
-1:16

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

6:18 /mi

Average Pace

6:46 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:51

44% of race

Time at Steady Pace

57:22

32% of race

Time at Slower Pace

41:01

23% of race

Average Pace: 6:46 /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 mi10:46:0220:176:3220:17
6:32
#4037
10K
6.21 mi11:05:3739:526:2519:35
6:18
#3171
15K
9.32 mi11:25:1759:326:2319:40
6:20
#2911
20K
12.43 mi11:45:051:19:206:2319:48
6:22
#2754
Half
13.11 mi11:49:241:23:396:234:19
6:20
#2745
25K
15.53 mi12:04:531:39:086:2315:29
6:23
#2635
30K
18.64 mi12:25:201:59:356:2520:27
6:35
#2532
20M
20.00 mi12:34:392:08:546:279:19
6:51
#2542
21M
21.00 mi12:42:392:16:546:318:00
8:00
#2769
35K
21.75 mi12:48:212:22:366:335:42
7:37
#2942
23M
23.00 mi12:58:252:32:406:3810:04
8:02
#3279
24M
24.00 mi13:05:562:40:116:407:31
7:31
#3431
40K
24.85 mi13:12:452:47:006:436:49
7:58
#3652
25.2M
25.20 mi13:15:402:49:556:452:55
8:27
#3732
Finish
26.22 mi13:22:592:57:146:467:19
7:11
#3801
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4037380738072527(Top 9%)2412(Top 15%)2412(Top 43%)
10K6.21 mi3.10 mi3171+8663016+7913016+7912447(Top 9%)2340(Top 15%)2340(Top 41%)
15K9.32 mi3.11 mi2911+2602775+2412775+2412527(Top 9%)2412(Top 15%)2412(Top 43%)
20K12.43 mi3.11 mi2754+1572626+1492626+1492384(Top 8%)2274(Top 14%)2274(Top 40%)
Half13.11 mi0.68 mi2745+92619+72619+72656(Top 9%)2539(Top 16%)2539(Top 45%)
25K15.53 mi2.42 mi2635+1102516+1032516+1032297(Top 8%)2184(Top 14%)2184(Top 39%)
30K18.64 mi3.11 mi2532+1032418+982418+982336(Top 8%)2214(Top 14%)2214(Top 39%)
20M20.00 mi1.36 mi2542-102426-82426-83234(Top 11%)2990(Top 19%)2990(Top 53%)
21M21.00 mi1.00 mi2769-2272637-2112637-2117308(Top 26%)5843(Top 36%)5843(Top 104%)
35K21.75 mi0.75 mi2942-1732786-1492786-1499397(Top 33%)7040(Top 44%)7040(Top 125%)
23M23.00 mi1.25 mi3279-3373093-3073093-30710274(Top 36%)7358(Top 46%)7358(Top 130%)
24M24.00 mi1.00 mi3431-1523226-1333226-1337757(Top 27%)5951(Top 37%)5951(Top 105%)
40K24.85 mi0.85 mi3652-2213411-1853411-1859941(Top 35%)6997(Top 43%)6997(Top 124%)
25.2M25.20 mi0.35 mi3732-803476-653476-658418(Top 30%)6103(Top 38%)6103(Top 108%)
Finish26.22 mi1.02 mi3801-693525-493525-496874(Top 24%)5240(Top 33%)5240(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2527

Males

2412

M18-39

2412

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2447

Males

2340

M18-39

2340

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2527

Males

2412

M18-39

2412

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2384

Males

2274

M18-39

2274

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2656

Males

2539

M18-39

2539

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2297

Males

2184

M18-39

2184

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2336

Males

2214

M18-39

2214

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3234

Males

2990

M18-39

2990

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

7308

Males

5843

M18-39

5843

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

9397

Males

7040

M18-39

7040

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

10274

Males

7358

M18-39

7358

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7757

Males

5951

M18-39

5951

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9941

Males

6997

M18-39

6997

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8418

Males

6103

M18-39

6103

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6874

Males

5240

M18-39

5240

Passing Analysis

Category:
Athletes Passed
1758
Passed By
1522
Net Change
+236
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4037
5K → 10K8693+866#4037#3171
10K → 15K27010+260#3171#2911
15K → 20K18124+157#2911#2754
20K → Half167+9#2754#2745
Half → 25K12919+110#2745#2635
25K → 30K14441+103#2635#2532
30K → 20M4656-10#2532#2542
20M → 21M16243-227#2542#2769
21M → 35K11184-173#2769#2942
35K → 23M12349-337#2942#3279
23M → 24M13165-152#3279#3431
24M → 40K7228-221#3431#3652
40K → 25.2M888-80#3652#3732
25.2M → Finish36105-69#3732#3801
TOTALS17581522+236
📊

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