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BOSTON MARATHON 2025

Daniel Nardo

Bib: 8724•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
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
7:36/mi
23:38
↑ 97↓ 3451.5%
10K· 6.21 mi
7:46/mi
47:45
↑ 79↓ 1380.4%
15K· 9.32 mi
8:18/mi
1:13:32
↑ 67↓ 78
20K· 12.43 mi
8:55/mi
1:41:14
↑ 106↓ 860.1%
Half· 13.11 mi
8:49/mi
1:47:15
↑ 19↓ 370.5%
25K· 15.53 mi
9:33/mi
2:10:24
↑ 66↓ 880.2%
30K· 18.64 mi
11:30/mi
2:46:08
↑ 181↓ 1480.2%
20M
14:39/mi
3:06:03
↑ 64↓ 500.2%
21M
14:39/mi
3:20:42
↑ 106↓ 241.6%
35K· 21.75 mi
12:15/mi
3:29:52
↑ 17↓ 861.7%
23M
13:00/mi
3:46:09
↑ 23↓ 630.6%
24M
12:22/mi
3:58:31
↓ 821.3%
40K· 24.85 mi
14:22/mi
4:10:48
↓ 200.3%
25.2M
13:29/mi
4:15:27
↑ 13↓ 160.2%
Finish· 26.22 mi
10:23/mi
4:26:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:15
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time2:38:47
Pace12:07 /mi
📊Positive Split: 48.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3223:387:3623:38
7:36
-
10K
6.21 mi11:13:3947:457:4124:07
7:46
+0:10
15K
9.32 mi11:39:261:13:327:5325:47
8:18
+0:32
20K
12.43 mi12:07:081:41:148:0927:42
8:55
+0:37
Half
13.11 mi12:13:091:47:158:116:01
8:49
-0:06
25K
15.53 mi12:36:182:10:248:2423:09
9:33
+0:44
30K
18.64 mi13:12:022:46:088:5535:44
11:30
+1:57
20M
20.00 mi13:31:573:06:039:1819:55
14:39
+3:09
21M
21.00 mi13:46:363:20:429:3314:39
14:39
0:00
35K
21.75 mi13:55:463:29:529:399:10
12:15
-2:24
23M
23.00 mi14:12:033:46:099:5016:17
13:00
+0:45
24M
24.00 mi14:24:253:58:319:5612:22
12:22
-0:38
40K
24.85 mi14:36:424:10:4810:0512:17
14:22
+2:00
25.2M
25.20 mi14:41:214:15:2710:084:39
13:29
-0:53
Finish
26.22 mi14:51:564:26:0210:0910:35
10:23
-3:06

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

7:36 /mi

Average Pace

10:09 /mi

Slowest Pace

14:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:24

49% of race

Time at Steady Pace

1:07:51

26% of race

Time at Slower Pace

1:07:47

25% of race

Average Pace: 10:09 /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 mi10:49:3223:387:3623:38
7:36
#13176
10K
6.21 mi11:13:3947:457:4124:07
7:46
#13790
15K
9.32 mi11:39:261:13:327:5325:47
8:18
#15407
20K
12.43 mi12:07:081:41:148:0927:42
8:55
#17006
Half
13.11 mi12:13:091:47:158:116:01
8:49
#17203
25K
15.53 mi12:36:182:10:248:2423:09
9:33
#18226
30K
18.64 mi13:12:022:46:088:5535:44
11:30
#20429
20M
20.00 mi13:31:573:06:039:1819:55
14:39
#21882
21M
21.00 mi13:46:363:20:429:3314:39
14:39
#22432
35K
21.75 mi13:55:463:29:529:399:10
12:15
#22629
23M
23.00 mi14:12:033:46:099:5016:17
13:00
#23002
24M
24.00 mi14:24:253:58:319:5612:22
12:22
#23208
40K
24.85 mi14:36:424:10:4810:0512:17
14:22
#23542
25.2M
25.20 mi14:41:214:15:2710:084:39
13:29
#23602
Finish
26.22 mi14:51:564:26:0210:0910:35
10:23
#23599
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi131769725972518040(Top 64%)11651(Top 72%)11651(Top 519%)
10K6.21 mi3.10 mi13790-6149933-2089933-20814461(Top 51%)10200(Top 63%)10200(Top 454%)
15K9.32 mi3.11 mi15407-161710576-64310576-64318040(Top 64%)11651(Top 72%)11651(Top 519%)
20K12.43 mi3.11 mi17006-159911214-63811214-63820554(Top 72%)12696(Top 79%)12696(Top 565%)
Half13.11 mi0.68 mi17203-19711290-7611290-7620992(Top 74%)12905(Top 80%)12905(Top 574%)
25K15.53 mi2.42 mi18226-102311690-40011690-40022022(Top 78%)13304(Top 83%)13304(Top 592%)
30K18.64 mi3.11 mi20429-220312595-90512595-90524847(Top 87%)14460(Top 90%)14460(Top 644%)
20M20.00 mi1.36 mi21882-145313254-65913254-65927719(Top 98%)15723(Top 98%)15723(Top 700%)
21M21.00 mi1.00 mi22432-55013465-21113465-21126853(Top 95%)15292(Top 95%)15292(Top 681%)
35K21.75 mi0.75 mi22629-19713533-6813533-6826189(Top 92%)14930(Top 93%)14930(Top 664%)
23M23.00 mi1.25 mi23002-37313677-14413677-14426373(Top 93%)15022(Top 93%)15022(Top 669%)
24M24.00 mi1.00 mi23208-20613745-6813745-6826147(Top 92%)14880(Top 92%)14880(Top 662%)
40K24.85 mi0.85 mi23542-33413896-15113896-15127440(Top 97%)15530(Top 96%)15530(Top 691%)
25.2M25.20 mi0.35 mi23602-6013915-1913915-1925645(Top 90%)14559(Top 90%)14559(Top 648%)
Finish26.22 mi1.02 mi23599+313895+2013895+2023999(Top 84%)13767(Top 85%)13767(Top 613%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

18040

Males

11651

M40-44

11651

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

14461

Males

10200

M40-44

10200

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

18040

Males

11651

M40-44

11651

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

20554

Males

12696

M40-44

12696

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

20992

Males

12905

M40-44

12905

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

22022

Males

13304

M40-44

13304

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

24847

Males

14460

M40-44

14460

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

27719

Males

15723

M40-44

15723

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

26853

Males

15292

M40-44

15292

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

26189

Males

14930

M40-44

14930

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

26373

Males

15022

M40-44

15022

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

26147

Males

14880

M40-44

14880

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

27440

Males

15530

M40-44

15530

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25645

Males

14559

M40-44

14559

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

23999

Males

13767

M40-44

13767

Passing Analysis

Category:
Athletes Passed
303
Passed By
10726
Net Change
-10423
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13176
5K → 10K103717-614#13176#13790
10K → 15K151632-1617#13790#15407
15K → 20K201619-1599#15407#17006
20K → Half6203-197#17006#17203
Half → 25K241047-1023#17203#18226
25K → 30K132216-2203#18226#20429
30K → 20M41457-1453#20429#21882
20M → 21M11561-550#21882#22432
21M → 35K13210-197#22432#22629
35K → 23M11384-373#22629#23002
23M → 24M17223-206#23002#23208
24M → 40K5339-334#23208#23542
40K → 25.2M868-60#23542#23602
25.2M → Finish5350+3#23602#23599
TOTALS30310726-10423
📊

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