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BOSTON MARATHON 2025

Andrew Redston

Bib: 4442•M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 28%
Gender (Male)
#0 / 16105
Top 41%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:09
Rank: #3750
Start → 5K
6:29/mi
20:09 split
10K· 6.21 mi
39:39
Rank: #2923 (+827)
5K → 10K
6:17/mi
19:30 split
15K· 9.32 mi
59:00
Rank: #2579 (+344)
10K → 15K
6:14/mi
19:21 split
20K· 12.43 mi
1:18:38
Rank: #2421 (+158)
15K → 20K
6:19/mi
19:38 split
Half· 13.11 mi
1:22:55
Rank: #2414 (+7)
20K → Half
6:17/mi
4:17 split
25K· 15.53 mi
1:38:41
Rank: #2470 (-56)
Half → 25K
6:30/mi
15:46 split
30K· 18.64 mi
2:01:07
Rank: #3026 (-556)
25K → 30K
7:13/mi
22:26 split
20M
2:12:59
Rank: #3764 (-738)
30K → 20M
8:44/mi
11:52 split
21M
2:22:15
Rank: #4404 (-640)
20M → 21M
9:16/mi
9:16 split
35K· 21.75 mi
2:29:58
Rank: #5339 (-935)
21M → 35K
10:19/mi
7:43 split
23M
2:43:44
Rank: #6527 (-1188)
35K → 23M
11:00/mi
13:46 split
24M
2:53:52
Rank: #7311 (-784)
23M → 24M
10:08/mi
10:08 split
40K· 24.85 mi
3:01:52
Rank: #7724 (-413)
24M → 40K
9:21/mi
8:00 split
25.2M
3:05:31
Rank: #7942 (-218)
40K → 25.2M
10:35/mi
3:39 split
Finish· 26.22 mi
3:13:22
Rank: #8020 (-78)
25.2M → Finish
7:42/mi
7:51 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:55
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:50:27
Pace8:26 /mi
📊Positive Split: 33.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1820:096:2920:09
6:29
-
10K
6.21 mi10:42:4839:396:2319:30
6:17
-0:12
15K
9.32 mi11:02:0959:006:2019:21
6:14
-0:03
20K
12.43 mi11:21:471:18:386:2019:38
6:19
+0:05
Half
13.11 mi11:26:041:22:556:194:17
6:17
-0:02
25K
15.53 mi11:41:501:38:416:2115:46
6:30
+0:13
30K
18.64 mi12:04:162:01:076:3022:26
7:13
+0:43
20M
20.00 mi12:16:082:12:596:3911:52
8:44
+1:31
21M
21.00 mi12:25:242:22:156:469:16
9:16
+0:32
35K
21.75 mi12:33:072:29:586:547:43
10:19
+1:03
23M
23.00 mi12:46:532:43:447:0713:46
11:00
+0:41
24M
24.00 mi12:57:012:53:527:1510:08
10:08
-0:52
40K
24.85 mi13:05:013:01:527:198:00
9:21
-0:47
25.2M
25.20 mi13:08:403:05:317:223:39
10:35
+1:14
Finish
26.22 mi13:16:313:13:227:237:51
7:42
-2:53

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

6:14 /mi

Average Pace

7:23 /mi

Slowest Pace

11:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:41

51% of race

Time at Steady Pace

30:17

16% of race

Time at Slower Pace

1:04:24

33% of race

Average Pace: 7:22 /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 mi10:23:1820:096:2920:09
6:29
#3750
10K
6.21 mi10:42:4839:396:2319:30
6:17
#2923
15K
9.32 mi11:02:0959:006:2019:21
6:14
#2579
20K
12.43 mi11:21:471:18:386:2019:38
6:19
#2421
Half
13.11 mi11:26:041:22:556:194:17
6:17
#2414
25K
15.53 mi11:41:501:38:416:2115:46
6:30
#2470
30K
18.64 mi12:04:162:01:076:3022:26
7:13
#3026
20M
20.00 mi12:16:082:12:596:3911:52
8:44
#3764
21M
21.00 mi12:25:242:22:156:469:16
9:16
#4404
35K
21.75 mi12:33:072:29:586:547:43
10:19
#5339
23M
23.00 mi12:46:532:43:447:0713:46
11:00
#6527
24M
24.00 mi12:57:012:53:527:1510:08
10:08
#7311
40K
24.85 mi13:05:013:01:527:198:00
9:21
#7724
25.2M
25.20 mi13:08:403:05:317:223:39
10:35
#7942
Finish
26.22 mi13:16:313:13:227:237:51
7:42
#8020
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3750355335531990(Top 7%)1896(Top 12%)1896(Top 34%)
10K6.21 mi3.10 mi2923+8272786+7672786+7672283(Top 8%)2184(Top 14%)2184(Top 39%)
15K9.32 mi3.11 mi2579+3442459+3272459+3271990(Top 7%)1896(Top 12%)1896(Top 34%)
20K12.43 mi3.11 mi2421+1582311+1482311+1482109(Top 7%)2011(Top 12%)2011(Top 36%)
Half13.11 mi0.68 mi2414+72304+72304+72457(Top 9%)2354(Top 15%)2354(Top 42%)
25K15.53 mi2.42 mi2470-562358-542358-542920(Top 10%)2778(Top 17%)2778(Top 49%)
30K18.64 mi3.11 mi3026-5562881-5232881-5236021(Top 21%)5322(Top 33%)5322(Top 94%)
20M20.00 mi1.36 mi3764-7383543-6623543-66215228(Top 54%)10014(Top 62%)10014(Top 177%)
21M21.00 mi1.00 mi4404-6404091-5484091-54814935(Top 53%)9747(Top 61%)9747(Top 173%)
35K21.75 mi0.75 mi5339-9354880-7894880-78922703(Top 80%)13245(Top 82%)13245(Top 235%)
23M23.00 mi1.25 mi6527-11885764-8845764-88423201(Top 82%)13425(Top 83%)13425(Top 238%)
24M24.00 mi1.00 mi7311-7846267-5036267-50321726(Top 76%)12682(Top 79%)12682(Top 225%)
40K24.85 mi0.85 mi7724-4136494-2276494-22718064(Top 64%)10853(Top 67%)10853(Top 192%)
25.2M25.20 mi0.35 mi7942-2186625-1316625-13119239(Top 68%)11398(Top 71%)11398(Top 202%)
Finish26.22 mi1.02 mi8020-786644-196644-1910690(Top 38%)7345(Top 46%)7345(Top 130%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1990

Males

1896

M18-39

1896

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2283

Males

2184

M18-39

2184

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1990

Males

1896

M18-39

1896

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

2109

Males

2011

M18-39

2011

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2457

Males

2354

M18-39

2354

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2920

Males

2778

M18-39

2778

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

6021

Males

5322

M18-39

5322

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

15228

Males

10014

M18-39

10014

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

14935

Males

9747

M18-39

9747

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22703

Males

13245

M18-39

13245

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

23201

Males

13425

M18-39

13425

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21726

Males

12682

M18-39

12682

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18064

Males

10853

M18-39

10853

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19239

Males

11398

M18-39

11398

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10690

Males

7345

M18-39

7345

Passing Analysis

Category:
Athletes Passed
1526
Passed By
5796
Net Change
-4270
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3750
5K → 10K8292+827#3750#2923
10K → 15K3440+344#2923#2579
15K → 20K17618+158#2579#2421
20K → Half169+7#2421#2414
Half → 25K4197-56#2414#2470
25K → 30K19575-556#2470#3026
30K → 20M6744-738#3026#3764
20M → 21M3643-640#3764#4404
21M → 35K4939-935#4404#5339
35K → 23M81196-1188#5339#6527
23M → 24M5789-784#6527#7311
24M → 40K17430-413#7311#7724
40K → 25.2M2220-218#7724#7942
25.2M → Finish56134-78#7942#8020
TOTALS15265796-4270
📊

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