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BOSTON MARATHON 2025

Daniel Anderson

Bib: 4389•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 10%
Gender (Male)
#0 / 16105
Top 17%
Masters (Masters Men)
#0 / 10463
Top 6%
Division (M40-44)
#0 / 2247
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:04
Rank: #1559
Start → 5K
19:04 | 6:08/mi
10K· 6.21 mi
38:31
Rank: #1865 (-306)
5K → 10K
19:27 | 6:16/mi
15K· 9.32 mi
58:23
Rank: #2171 (-306)
10K → 15K
19:52 | 6:24/mi
20K· 12.43 mi
1:18:30
Rank: #2346 (-175)
15K → 20K
20:07 | 6:28/mi
Half· 13.11 mi
1:22:51
Rank: #2371 (-25)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:38:41
Rank: #2465 (-94)
Half → 25K
15:50 | 6:32/mi
30K· 18.64 mi
1:59:47
Rank: #2584 (-119)
25K → 30K
21:06 | 6:47/mi
20M
2:09:10
Rank: #2621 (-37)
30K → 20M
9:23 | 6:54/mi
21M
2:16:33
Rank: #2685 (-64)
20M → 21M
7:23 | 7:23/mi
35K· 21.75 mi
2:21:42
Rank: #2730 (-45)
21M → 35K
5:09 | 6:53/mi
23M
2:30:47
Rank: #2812 (-82)
35K → 23M
9:05 | 7:15/mi
24M
2:37:42
Rank: #2828 (-16)
23M → 24M
6:55 | 6:55/mi
40K· 24.85 mi
2:43:49
Rank: #2863 (-35)
24M → 40K
6:07 | 7:09/mi
25.2M
2:46:31
Rank: #2882 (-19)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
2:53:36
Rank: #2922 (-40)
25.2M → Finish
7:05 | 6:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:51
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:30:45
Pace6:55 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:44:1119:046:0819:04
6:08
-
10K
6.21 mi11:03:3838:316:1219:27
6:16
+0:08
15K
9.32 mi11:23:3058:236:1619:52
6:24
+0:08
20K
12.43 mi11:43:371:18:306:1920:07
6:28
+0:04
Half
13.11 mi11:47:581:22:516:194:21
6:23
-0:05
25K
15.53 mi12:03:481:38:416:2115:50
6:32
+0:09
30K
18.64 mi12:24:541:59:476:2621:06
6:47
+0:15
20M
20.00 mi12:34:172:09:106:279:23
6:54
+0:07
21M
21.00 mi12:41:402:16:336:307:23
7:23
+0:29
35K
21.75 mi12:46:492:21:426:315:09
6:53
-0:30
23M
23.00 mi12:55:542:30:476:339:05
7:15
+0:22
24M
24.00 mi13:02:492:37:426:346:55
6:55
-0:20
40K
24.85 mi13:08:562:43:496:356:07
7:09
+0:14
25.2M
25.20 mi13:11:382:46:316:362:42
7:50
+0:41
Finish
26.22 mi13:18:432:53:366:387:05
6:57
-0:53

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

6:08 /mi

Average Pace

6:38 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:41

57% of race

Time at Steady Pace

49:38

29% of race

Time at Slower Pace

25:17

15% of race

Average Pace: 6:37 /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 mi10:44:1119:046:0819:04
6:08
#1559
10K
6.21 mi11:03:3838:316:1219:27
6:16
#1865
15K
9.32 mi11:23:3058:236:1619:52
6:24
#2171
20K
12.43 mi11:43:371:18:306:1920:07
6:28
#2346
Half
13.11 mi11:47:581:22:516:194:21
6:23
#2371
25K
15.53 mi12:03:481:38:416:2115:50
6:32
#2465
30K
18.64 mi12:24:541:59:476:2621:06
6:47
#2584
20M
20.00 mi12:34:172:09:106:279:23
6:54
#2621
21M
21.00 mi12:41:402:16:336:307:23
7:23
#2685
35K
21.75 mi12:46:492:21:426:315:09
6:53
#2730
23M
23.00 mi12:55:542:30:476:339:05
7:15
#2812
24M
24.00 mi13:02:492:37:426:346:55
6:55
#2828
40K
24.85 mi13:08:562:43:496:356:07
7:09
#2863
25.2M
25.20 mi13:11:382:46:316:362:42
7:50
#2882
Finish
26.22 mi13:18:432:53:366:387:05
6:57
#2922
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1559148414842899(Top 10%)2763(Top 17%)2763(Top 123%)
10K6.21 mi3.10 mi1865-3061775-2911775-2912186(Top 8%)2089(Top 13%)2089(Top 93%)
15K9.32 mi3.11 mi2171-3062072-2972072-2972899(Top 10%)2763(Top 17%)2763(Top 123%)
20K12.43 mi3.11 mi2346-1752239-1672239-1672965(Top 10%)2822(Top 18%)2822(Top 126%)
Half13.11 mi0.68 mi2371-252261-222261-222903(Top 10%)2770(Top 17%)2770(Top 123%)
25K15.53 mi2.42 mi2465-942353-922353-923040(Top 11%)2885(Top 18%)2885(Top 128%)
30K18.64 mi3.11 mi2584-1192468-1152468-1153380(Top 12%)3152(Top 20%)3152(Top 140%)
20M20.00 mi1.36 mi2621-372503-352503-353522(Top 12%)3244(Top 20%)3244(Top 144%)
21M21.00 mi1.00 mi2685-642557-542557-543993(Top 14%)3616(Top 22%)3616(Top 161%)
35K21.75 mi0.75 mi2730-452596-392596-394561(Top 16%)4039(Top 25%)4039(Top 180%)
23M23.00 mi1.25 mi2812-822667-712667-715177(Top 18%)4428(Top 27%)4428(Top 197%)
24M24.00 mi1.00 mi2828-162678-112678-114140(Top 15%)3641(Top 23%)3641(Top 162%)
40K24.85 mi0.85 mi2863-352710-322710-324737(Top 17%)4015(Top 25%)4015(Top 179%)
25.2M25.20 mi0.35 mi2882-192727-172727-174928(Top 17%)4045(Top 25%)4045(Top 180%)
Finish26.22 mi1.02 mi2922-402759-322759-325374(Top 19%)4342(Top 27%)4342(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2899

Males

2763

M40-44

2763

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2186

Males

2089

M40-44

2089

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2899

Males

2763

M40-44

2763

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2965

Males

2822

M40-44

2822

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2903

Males

2770

M40-44

2770

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3040

Males

2885

M40-44

2885

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3380

Males

3152

M40-44

3152

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3522

Males

3244

M40-44

3244

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3993

Males

3616

M40-44

3616

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4561

Males

4039

M40-44

4039

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5177

Males

4428

M40-44

4428

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4140

Males

3641

M40-44

3641

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4737

Males

4015

M40-44

4015

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4928

Males

4045

M40-44

4045

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5374

Males

4342

M40-44

4342

Passing Analysis

Category:
Athletes Passed
368
Passed By
1731
Net Change
-1363
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1559
5K → 10K15321-306#1559#1865
10K → 15K15321-306#1865#2171
15K → 20K29204-175#2171#2346
20K → Half530-25#2346#2371
Half → 25K32126-94#2371#2465
25K → 30K54173-119#2465#2584
30K → 20M4481-37#2584#2621
20M → 21M3296-64#2621#2685
21M → 35K1661-45#2685#2730
35K → 23M30112-82#2730#2812
23M → 24M3450-16#2812#2828
24M → 40K2964-35#2828#2863
40K → 25.2M1332-19#2863#2882
25.2M → Finish2060-40#2882#2922
TOTALS3681731-1363
📊

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