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BOSTON MARATHON 2025

Nathan Lovejoy

Bib: 27954•M

MA

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:50/mi
24:21
↑ 97↓ 3451.5%
10K· 6.21 mi
7:48/mi
48:36
↑ 79↓ 1380.4%
15K· 9.32 mi
8:10/mi
1:13:58
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:40:23
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:46:18
↑ 19↓ 370.5%
25K· 15.53 mi
9:21/mi
2:08:57
↑ 66↓ 880.2%
30K· 18.64 mi
10:50/mi
2:42:36
↑ 181↓ 1480.2%
20M
12:06/mi
2:59:02
↑ 64↓ 500.2%
21M
12:31/mi
3:11:33
↑ 106↓ 241.6%
35K· 21.75 mi
11:46/mi
3:20:21
↑ 17↓ 861.7%
23M
12:44/mi
3:36:18
↑ 23↓ 630.6%
24M
12:25/mi
3:48:43
↓ 821.3%
40K· 24.85 mi
11:32/mi
3:58:35
↓ 200.3%
25.2M
12:08/mi
4:02:46
↑ 13↓ 160.2%
Finish· 26.22 mi
10:25/mi
4:13:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:18
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time2:27:05
Pace11:13 /mi
📊Positive Split: 38.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:3424:217:5024:21
7:50
-
10K
6.21 mi12:05:4948:367:4924:15
7:48
-0:02
15K
9.32 mi12:31:111:13:587:5625:22
8:10
+0:22
20K
12.43 mi12:57:361:40:238:0526:25
8:30
+0:20
Half
13.11 mi13:03:311:46:188:075:55
8:40
+0:10
25K
15.53 mi13:26:102:08:578:1822:39
9:21
+0:41
30K
18.64 mi13:59:492:42:368:4333:39
10:50
+1:29
20M
20.00 mi14:16:152:59:028:5716:26
12:06
+1:16
21M
21.00 mi14:28:463:11:339:0712:31
12:31
+0:25
35K
21.75 mi14:37:343:20:219:138:48
11:46
-0:45
23M
23.00 mi14:53:313:36:189:2415:57
12:44
+0:58
24M
24.00 mi15:05:563:48:439:3212:25
12:25
-0:19
40K
24.85 mi15:15:483:58:359:369:52
11:32
-0:53
25.2M
25.20 mi15:19:594:02:469:384:11
12:08
+0:36
Finish
26.22 mi15:30:364:13:239:4010:37
10:25
-1:43

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

7:48 /mi

Average Pace

9:40 /mi

Slowest Pace

12:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:57

51% of race

Time at Steady Pace

54:08

21% of race

Time at Slower Pace

1:10:18

28% of race

Average Pace: 9:40 /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 mi11:41:3424:217:5024:21
7:50
#15143
10K
6.21 mi12:05:4948:367:4924:15
7:48
#14955
15K
9.32 mi12:31:111:13:587:5625:22
8:10
#15802
20K
12.43 mi12:57:361:40:238:0526:25
8:30
#16512
Half
13.11 mi13:03:311:46:188:075:55
8:40
#16730
25K
15.53 mi13:26:102:08:578:1822:39
9:21
#17593
30K
18.64 mi13:59:492:42:368:4333:39
10:50
#19452
20M
20.00 mi14:16:152:59:028:5716:26
12:06
#20335
21M
21.00 mi14:28:463:11:339:0712:31
12:31
#20734
35K
21.75 mi14:37:343:20:219:138:48
11:46
#21092
23M
23.00 mi14:53:313:36:189:2415:57
12:44
#21629
24M
24.00 mi15:05:563:48:439:3212:25
12:25
#21953
40K
24.85 mi15:15:483:58:359:369:52
11:32
#22070
25.2M
25.20 mi15:19:594:02:469:384:11
12:08
#22095
Finish
26.22 mi15:30:364:13:239:4010:37
10:25
#22159
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi15143104841048417167(Top 60%)11292(Top 70%)11292(Top 200%)
10K6.21 mi3.10 mi14955+18810392+9210392+9214864(Top 52%)10370(Top 64%)10370(Top 184%)
15K9.32 mi3.11 mi15802-84710742-35010742-35017167(Top 60%)11292(Top 70%)11292(Top 200%)
20K12.43 mi3.11 mi16512-71011025-28311025-28318259(Top 64%)11732(Top 73%)11732(Top 208%)
Half13.11 mi0.68 mi16730-21811104-7911104-7920193(Top 71%)12561(Top 78%)12561(Top 223%)
25K15.53 mi2.42 mi17593-86311430-32611430-32621331(Top 75%)13005(Top 81%)13005(Top 231%)
30K18.64 mi3.11 mi19452-185912186-75612186-75623675(Top 83%)13924(Top 86%)13924(Top 247%)
20M20.00 mi1.36 mi20335-88312538-35212538-35225388(Top 89%)14625(Top 91%)14625(Top 259%)
21M21.00 mi1.00 mi20734-39912703-16512703-16524421(Top 86%)14110(Top 88%)14110(Top 250%)
35K21.75 mi0.75 mi21092-35812851-14812851-14825500(Top 90%)14584(Top 91%)14584(Top 258%)
23M23.00 mi1.25 mi21629-53713065-21413065-21426085(Top 92%)14883(Top 92%)14883(Top 264%)
24M24.00 mi1.00 mi21953-32413183-11813183-11826212(Top 92%)14918(Top 93%)14918(Top 264%)
40K24.85 mi0.85 mi22070-11713216-3313216-3324202(Top 85%)13873(Top 86%)13873(Top 246%)
25.2M25.20 mi0.35 mi22095-2513219-313219-323484(Top 83%)13515(Top 84%)13515(Top 240%)
Finish26.22 mi1.02 mi22159-6413230-1113230-1124087(Top 85%)13809(Top 86%)13809(Top 245%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

17167

Males

11292

M18-39

11292

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

14864

Males

10370

M18-39

10370

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

17167

Males

11292

M18-39

11292

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18259

Males

11732

M18-39

11732

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

20193

Males

12561

M18-39

12561

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

21331

Males

13005

M18-39

13005

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

23675

Males

13924

M18-39

13924

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

25388

Males

14625

M18-39

14625

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

24421

Males

14110

M18-39

14110

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

25500

Males

14584

M18-39

14584

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

26085

Males

14883

M18-39

14883

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

26212

Males

14918

M18-39

14918

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24202

Males

13873

M18-39

13873

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23484

Males

13515

M18-39

13515

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

24087

Males

13809

M18-39

13809

Passing Analysis

Category:
Athletes Passed
698
Passed By
7714
Net Change
-7016
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15143
5K → 10K391203+188#15143#14955
10K → 15K48895-847#14955#15802
15K → 20K61771-710#15802#16512
20K → Half5223-218#16512#16730
Half → 25K35898-863#16730#17593
25K → 30K171876-1859#17593#19452
30K → 20M11894-883#19452#20335
20M → 21M25424-399#20335#20734
21M → 35K12370-358#20734#21092
35K → 23M19556-537#21092#21629
23M → 24M8332-324#21629#21953
24M → 40K18135-117#21953#22070
40K → 25.2M1641-25#22070#22095
25.2M → Finish3296-64#22095#22159
TOTALS6987714-7016
📊

Passing Visuals

Category:
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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