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BOSTON MARATHON 2025

Spencer Bernhardt

Bib: 2365•M

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 9%
Division (M18-39)
#0 / 5642
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:54
Rank: #538
Start → 5K
17:54 | 5:46/mi
10K· 6.21 mi
36:24
Rank: #714 (-176)
5K → 10K
18:30 | 5:57/mi
15K· 9.32 mi
55:00
Rank: #792 (-78)
10K → 15K
18:36 | 5:59/mi
20K· 12.43 mi
1:13:56
Rank: #860 (-68)
15K → 20K
18:56 | 6:06/mi
Half· 13.11 mi
1:18:03
Rank: #875 (-15)
20K → Half
4:07 | 6:02/mi
25K· 15.53 mi
1:33:49
Rank: #1065 (-190)
Half → 25K
15:46 | 6:30/mi
30K· 18.64 mi
1:55:12
Rank: #1403 (-338)
25K → 30K
21:23 | 6:53/mi
20M
2:04:41
Rank: #1529 (-126)
30K → 20M
9:29 | 6:59/mi
21M
2:12:00
Rank: #1611 (-82)
20M → 21M
7:19 | 7:19/mi
35K· 21.75 mi
2:16:31
Rank: #1540 (+71)
21M → 35K
4:31 | 6:02/mi
23M
2:24:59
Rank: #1557 (-17)
35K → 23M
8:28 | 6:46/mi
24M
2:31:23
Rank: #1534 (+23)
23M → 24M
6:24 | 6:24/mi
40K· 24.85 mi
2:37:08
Rank: #1542 (-8)
24M → 40K
5:45 | 6:44/mi
25.2M
2:39:34
Rank: #1540 (+2)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:45:42
Rank: #1486 (+54)
25.2M → Finish
6:08 | 6:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:03
Pace5:57 /mi
2nd Half
Distance13.11 mi
Time1:27:39
Pace6:41 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3817:545:4617:54
5:46
-
10K
6.21 mi10:37:0836:245:5118:30
5:57
+0:11
15K
9.32 mi10:55:4455:005:5418:36
5:59
+0:02
20K
12.43 mi11:14:401:13:565:5718:56
6:06
+0:07
Half
13.11 mi11:18:471:18:035:574:07
6:02
-0:04
25K
15.53 mi11:34:331:33:496:0215:46
6:30
+0:28
30K
18.64 mi11:55:561:55:126:1121:23
6:53
+0:23
20M
20.00 mi12:05:252:04:416:149:29
6:59
+0:06
21M
21.00 mi12:12:442:12:006:177:19
7:19
+0:20
35K
21.75 mi12:17:152:16:316:174:31
6:02
-1:17
23M
23.00 mi12:25:432:24:596:188:28
6:46
+0:44
24M
24.00 mi12:32:072:31:236:186:24
6:24
-0:22
40K
24.85 mi12:37:522:37:086:195:45
6:44
+0:20
25.2M
25.20 mi12:40:182:39:346:202:26
7:03
+0:19
Finish
26.22 mi12:46:262:45:426:196:08
6:01
-1:02

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

5:46 /mi

Average Pace

6:19 /mi

Slowest Pace

7:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:42

54% of race

Time at Steady Pace

22:10

13% of race

Time at Slower Pace

54:50

33% of race

Average Pace: 6:19 /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 mi10:18:3817:545:4617:54
5:46
#538
10K
6.21 mi10:37:0836:245:5118:30
5:57
#714
15K
9.32 mi10:55:4455:005:5418:36
5:59
#792
20K
12.43 mi11:14:401:13:565:5718:56
6:06
#860
Half
13.11 mi11:18:471:18:035:574:07
6:02
#875
25K
15.53 mi11:34:331:33:496:0215:46
6:30
#1065
30K
18.64 mi11:55:561:55:126:1121:23
6:53
#1403
20M
20.00 mi12:05:252:04:416:149:29
6:59
#1529
21M
21.00 mi12:12:442:12:006:177:19
7:19
#1611
35K
21.75 mi12:17:152:16:316:174:31
6:02
#1540
23M
23.00 mi12:25:432:24:596:188:28
6:46
#1557
24M
24.00 mi12:32:072:31:236:186:24
6:24
#1534
40K
24.85 mi12:37:522:37:086:195:45
6:44
#1542
25.2M
25.20 mi12:40:182:39:346:202:26
7:03
#1540
Finish
26.22 mi12:46:262:45:426:196:08
6:01
#1486
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi538500500995(Top 4%)942(Top 6%)942(Top 17%)
10K6.21 mi3.10 mi714-176665-165665-165977(Top 3%)922(Top 6%)922(Top 16%)
15K9.32 mi3.11 mi792-78741-76741-76995(Top 4%)942(Top 6%)942(Top 17%)
20K12.43 mi3.11 mi860-68808-67808-671155(Top 4%)1091(Top 7%)1091(Top 19%)
Half13.11 mi0.68 mi875-15823-15823-151286(Top 5%)1220(Top 8%)1220(Top 22%)
25K15.53 mi2.42 mi1065-1901004-1811004-1812891(Top 10%)2749(Top 17%)2749(Top 49%)
30K18.64 mi3.11 mi1403-3381327-3231327-3233944(Top 14%)3632(Top 23%)3632(Top 64%)
20M20.00 mi1.36 mi1529-1261448-1211448-1213946(Top 14%)3614(Top 22%)3614(Top 64%)
21M21.00 mi1.00 mi1611-821526-781526-783658(Top 13%)3340(Top 21%)3340(Top 59%)
35K21.75 mi0.75 mi1540+711457+691457+69820(Top 3%)766(Top 5%)766(Top 14%)
23M23.00 mi1.25 mi1557-171475-181475-182498(Top 9%)2309(Top 14%)2309(Top 41%)
24M24.00 mi1.00 mi1534+231451+241451+241642(Top 6%)1529(Top 9%)1529(Top 27%)
40K24.85 mi0.85 mi1542-81457-61457-62455(Top 9%)2237(Top 14%)2237(Top 40%)
25.2M25.20 mi0.35 mi1540+21456+11456+11622(Top 6%)1479(Top 9%)1479(Top 26%)
Finish26.22 mi1.02 mi1486+541403+531403+53959(Top 3%)901(Top 6%)901(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

995

Males

942

M18-39

942

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

977

Males

922

M18-39

922

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

995

Males

942

M18-39

942

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1155

Males

1091

M18-39

1091

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1286

Males

1220

M18-39

1220

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2891

Males

2749

M18-39

2749

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3944

Males

3632

M18-39

3632

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3946

Males

3614

M18-39

3614

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3658

Males

3340

M18-39

3340

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

820

Males

766

M18-39

766

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2498

Males

2309

M18-39

2309

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1642

Males

1529

M18-39

1529

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2455

Males

2237

M18-39

2237

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1622

Males

1479

M18-39

1479

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

959

Males

901

M18-39

901

Passing Analysis

Category:
Athletes Passed
301
Passed By
1249
Net Change
-948
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#538
5K → 10K1177-176#538#714
10K → 15K684-78#714#792
15K → 20K1886-68#792#860
20K → Half015-15#860#875
Half → 25K5195-190#875#1065
25K → 30K7345-338#1065#1403
30K → 20M10136-126#1403#1529
20M → 21M1496-82#1529#1611
21M → 35K732+71#1611#1540
35K → 23M3754-17#1540#1557
23M → 24M3613+23#1557#1534
24M → 40K2129-8#1534#1542
40K → 25.2M1412+2#1542#1540
25.2M → Finish595+54#1540#1486
TOTALS3011249-948
📊

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