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BOSTON MARATHON 2025

Nathaniel Davidson

Bib: 2320•M

CT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 11%
Division (M18-39)
#0 / 5642
Top 27%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:40
Rank: #2617
Start → 5K
19:40 | 6:20/mi
10K· 6.21 mi
39:11
Rank: #2448 (+169)
5K → 10K
19:31 | 6:17/mi
15K· 9.32 mi
58:26
Rank: #2194 (+254)
10K → 15K
19:15 | 6:12/mi
20K· 12.43 mi
1:17:48
Rank: #2052 (+142)
15K → 20K
19:22 | 6:14/mi
Half· 13.11 mi
1:22:03
Rank: #2061 (-9)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:37:13
Rank: #1973 (+88)
Half → 25K
15:10 | 6:15/mi
30K· 18.64 mi
1:56:55
Rank: #1812 (+161)
25K → 30K
19:42 | 6:20/mi
20M
2:05:40
Rank: #1755 (+57)
30K → 20M
8:45 | 6:26/mi
21M
2:12:17
Rank: #1670 (+85)
20M → 21M
6:37 | 6:37/mi
35K· 21.75 mi
2:16:49
Rank: #1618 (+52)
21M → 35K
4:32 | 6:04/mi
23M
2:24:59
Rank: #1559 (+59)
35K → 23M
8:10 | 6:31/mi
24M
2:31:40
Rank: #1583 (-24)
23M → 24M
6:41 | 6:41/mi
40K· 24.85 mi
2:37:42
Rank: #1648 (-65)
24M → 40K
6:02 | 7:03/mi
25.2M
2:40:36
Rank: #1735 (-87)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
2:48:15
Rank: #1931 (-196)
25.2M → Finish
7:39 | 7:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:03
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:26:12
Pace6:35 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3519:406:2019:40
6:20
-
10K
6.21 mi10:41:0639:116:1819:31
6:17
-0:03
15K
9.32 mi11:00:2158:266:1619:15
6:12
-0:05
20K
12.43 mi11:19:431:17:486:1619:22
6:14
+0:02
Half
13.11 mi11:23:581:22:036:164:15
6:14
0:00
25K
15.53 mi11:39:081:37:136:1515:10
6:15
+0:01
30K
18.64 mi11:58:501:56:556:1619:42
6:20
+0:05
20M
20.00 mi12:07:352:05:406:178:45
6:26
+0:06
21M
21.00 mi12:14:122:12:176:186:37
6:37
+0:11
35K
21.75 mi12:18:442:16:496:174:32
6:04
-0:33
23M
23.00 mi12:26:542:24:596:188:10
6:31
+0:27
24M
24.00 mi12:33:352:31:406:196:41
6:41
+0:10
40K
24.85 mi12:39:372:37:426:216:02
7:03
+0:22
25.2M
25.20 mi12:42:312:40:366:222:54
8:25
+1:22
Finish
26.22 mi12:50:102:48:156:257:39
7:30
-0:55

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

6:04 /mi

Average Pace

6:25 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:24:59

86% of race

Time at Slower Pace

23:16

14% of race

Average Pace: 6:25 /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 mi10:21:3519:406:2019:40
6:20
#2617
10K
6.21 mi10:41:0639:116:1819:31
6:17
#2448
15K
9.32 mi11:00:2158:266:1619:15
6:12
#2194
20K
12.43 mi11:19:431:17:486:1619:22
6:14
#2052
Half
13.11 mi11:23:581:22:036:164:15
6:14
#2061
25K
15.53 mi11:39:081:37:136:1515:10
6:15
#1973
30K
18.64 mi11:58:501:56:556:1619:42
6:20
#1812
20M
20.00 mi12:07:352:05:406:178:45
6:26
#1755
21M
21.00 mi12:14:122:12:176:186:37
6:37
#1670
35K
21.75 mi12:18:442:16:496:174:32
6:04
#1618
23M
23.00 mi12:26:542:24:596:188:10
6:31
#1559
24M
24.00 mi12:33:352:31:406:196:41
6:41
#1583
40K
24.85 mi12:39:372:37:426:216:02
7:03
#1648
25.2M
25.20 mi12:42:312:40:366:222:54
8:25
#1735
Finish
26.22 mi12:50:102:48:156:257:39
7:30
#1931
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2617249224921838(Top 6%)1749(Top 11%)1749(Top 31%)
10K6.21 mi3.10 mi2448+1692333+1592333+1592296(Top 8%)2197(Top 14%)2197(Top 39%)
15K9.32 mi3.11 mi2194+2542095+2382095+2381838(Top 6%)1749(Top 11%)1749(Top 31%)
20K12.43 mi3.11 mi2052+1421959+1361959+1361710(Top 6%)1626(Top 10%)1626(Top 29%)
Half13.11 mi0.68 mi2061-91968-91968-92093(Top 7%)1997(Top 12%)1997(Top 35%)
25K15.53 mi2.42 mi1973+881880+881880+881666(Top 6%)1583(Top 10%)1583(Top 28%)
30K18.64 mi3.11 mi1812+1611725+1551725+1551337(Top 5%)1264(Top 8%)1264(Top 22%)
20M20.00 mi1.36 mi1755+571668+571668+571386(Top 5%)1311(Top 8%)1311(Top 23%)
21M21.00 mi1.00 mi1670+851584+841584+84976(Top 3%)926(Top 6%)926(Top 16%)
35K21.75 mi0.75 mi1618+521534+501534+50869(Top 3%)814(Top 5%)814(Top 14%)
23M23.00 mi1.25 mi1559+591477+571477+571531(Top 5%)1435(Top 9%)1435(Top 25%)
24M24.00 mi1.00 mi1583-241497-201497-202865(Top 10%)2605(Top 16%)2605(Top 46%)
40K24.85 mi0.85 mi1648-651560-631560-634174(Top 15%)3611(Top 22%)3611(Top 64%)
25.2M25.20 mi0.35 mi1735-871642-821642-828099(Top 29%)5923(Top 37%)5923(Top 105%)
Finish26.22 mi1.02 mi1931-1961829-1871829-1879175(Top 32%)6520(Top 40%)6520(Top 116%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1838

Males

1749

M18-39

1749

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2296

Males

2197

M18-39

2197

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1838

Males

1749

M18-39

1749

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1710

Males

1626

M18-39

1626

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

2093

Males

1997

M18-39

1997

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1666

Males

1583

M18-39

1583

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1337

Males

1264

M18-39

1264

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1386

Males

1311

M18-39

1311

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

976

Males

926

M18-39

926

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

869

Males

814

M18-39

814

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1531

Males

1435

M18-39

1435

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2865

Males

2605

M18-39

2605

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4174

Males

3611

M18-39

3611

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

8099

Males

5923

M18-39

5923

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

9175

Males

6520

M18-39

6520

Passing Analysis

Category:
Athletes Passed
1220
Passed By
534
Net Change
+686
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2617
5K → 10K21344+169#2617#2448
10K → 15K2573+254#2448#2194
15K → 20K1464+142#2194#2052
20K → Half918-9#2052#2061
Half → 25K10012+88#2061#1973
25K → 30K17716+161#1973#1812
30K → 20M669+57#1812#1755
20M → 21M916+85#1755#1670
21M → 35K520+52#1670#1618
35K → 23M7213+59#1618#1559
23M → 24M2044-24#1559#1583
24M → 40K1378-65#1583#1648
40K → 25.2M289-87#1648#1735
25.2M → Finish2198-196#1735#1931
TOTALS1220534+686
📊

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