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BOSTON MARATHON 2025

Andy Barrowcliffe

Bib: 15301•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Top 45%
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
7:37/mi
23:41
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
47:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:52/mi
1:12:06
↑ 67↓ 78
20K· 12.43 mi
8:08/mi
1:37:21
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:42:39
↑ 19↓ 370.5%
25K· 15.53 mi
7:59/mi
2:02:01
↑ 66↓ 880.2%
30K· 18.64 mi
8:35/mi
2:28:40
↑ 181↓ 1480.2%
20M
8:43/mi
2:40:31
↑ 64↓ 500.2%
21M
9:50/mi
2:50:21
↑ 106↓ 241.6%
35K· 21.75 mi
8:08/mi
2:56:26
↑ 17↓ 861.7%
23M
8:48/mi
3:07:27
↑ 23↓ 630.6%
24M
8:09/mi
3:15:36
↓ 821.3%
40K· 24.85 mi
8:25/mi
3:22:48
↓ 200.3%
25.2M
10:06/mi
3:26:17
↑ 13↓ 160.2%
Finish· 26.22 mi
8:20/mi
3:34:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:39
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:52:08
Pace8:33 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1323:417:3723:41
7:37
-
10K
6.21 mi11:20:1147:397:4023:58
7:43
+0:06
15K
9.32 mi11:44:381:12:067:4424:27
7:52
+0:09
20K
12.43 mi12:09:531:37:217:5025:15
8:08
+0:16
Half
13.11 mi12:15:111:42:397:505:18
7:46
-0:22
25K
15.53 mi12:34:332:02:017:5119:22
7:59
+0:13
30K
18.64 mi13:01:122:28:407:5926:39
8:35
+0:36
20M
20.00 mi13:13:032:40:318:0211:51
8:43
+0:08
21M
21.00 mi13:22:532:50:218:079:50
9:50
+1:07
35K
21.75 mi13:28:582:56:268:076:05
8:08
-1:42
23M
23.00 mi13:39:593:07:278:0911:01
8:48
+0:40
24M
24.00 mi13:48:083:15:368:098:09
8:09
-0:39
40K
24.85 mi13:55:203:22:488:107:12
8:25
+0:16
25.2M
25.20 mi13:58:493:26:178:113:29
10:06
+1:41
Finish
26.22 mi14:07:193:34:478:128:30
8:20
-1:46

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

7:37 /mi

Average Pace

8:12 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

52:57

25% of race

Time at Steady Pace

1:39:00

46% of race

Time at Slower Pace

1:02:50

29% of race

Average Pace: 8:11 /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 mi10:56:1323:417:3723:41
7:37
#13310
10K
6.21 mi11:20:1147:397:4023:58
7:43
#13655
15K
9.32 mi11:44:381:12:067:4424:27
7:52
#14068
20K
12.43 mi12:09:531:37:217:5025:15
8:08
#14516
Half
13.11 mi12:15:111:42:397:505:18
7:46
#14476
25K
15.53 mi12:34:332:02:017:5119:22
7:59
#14341
30K
18.64 mi13:01:122:28:407:5926:39
8:35
#14488
20M
20.00 mi13:13:032:40:318:0211:51
8:43
#14544
21M
21.00 mi13:22:532:50:218:079:50
9:50
#14754
35K
21.75 mi13:28:582:56:268:076:05
8:08
#14664
23M
23.00 mi13:39:593:07:278:0911:01
8:48
#14667
24M
24.00 mi13:48:083:15:368:098:09
8:09
#14545
40K
24.85 mi13:55:203:22:488:107:12
8:25
#14449
25.2M
25.20 mi13:58:493:26:178:113:29
10:06
#14503
Finish
26.22 mi14:07:193:34:478:128:30
8:20
#14507
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi133109777977714975(Top 53%)10364(Top 64%)10364(Top 629%)
10K6.21 mi3.10 mi13655-3459878-1019878-10114012(Top 49%)10005(Top 62%)10005(Top 607%)
15K9.32 mi3.11 mi14068-41310010-13210010-13214975(Top 53%)10364(Top 64%)10364(Top 629%)
20K12.43 mi3.11 mi14516-44810175-16510175-16515821(Top 56%)10665(Top 66%)10665(Top 647%)
Half13.11 mi0.68 mi14476+4010151+2410151+2413943(Top 49%)9887(Top 61%)9887(Top 600%)
25K15.53 mi2.42 mi14341+13510062+8910062+8913782(Top 49%)9649(Top 60%)9649(Top 585%)
30K18.64 mi3.11 mi14488-147100621006215239(Top 54%)10159(Top 63%)10159(Top 616%)
20M20.00 mi1.36 mi14544-56100621006215170(Top 53%)9994(Top 62%)9994(Top 606%)
21M21.00 mi1.00 mi14754-21010130-6810130-6817610(Top 62%)10966(Top 68%)10966(Top 665%)
35K21.75 mi0.75 mi14664+9010077+5310077+5313137(Top 46%)8873(Top 55%)8873(Top 538%)
23M23.00 mi1.25 mi14667-310039+3810039+3815089(Top 53%)9664(Top 60%)9664(Top 586%)
24M24.00 mi1.00 mi14545+1229966+739966+7312238(Top 43%)8294(Top 51%)8294(Top 503%)
40K24.85 mi0.85 mi14449+969887+799887+7912910(Top 45%)8489(Top 53%)8489(Top 515%)
25.2M25.20 mi0.35 mi14503-549897-109897-1017403(Top 61%)10543(Top 65%)10543(Top 640%)
Finish26.22 mi1.02 mi14507-49868+299868+2915169(Top 53%)9553(Top 59%)9553(Top 580%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

14975

Males

10364

M55-59

10364

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

14012

Males

10005

M55-59

10005

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

14975

Males

10364

M55-59

10364

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

15821

Males

10665

M55-59

10665

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

13943

Males

9887

M55-59

9887

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13782

Males

9649

M55-59

9649

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

15239

Males

10159

M55-59

10159

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

15170

Males

9994

M55-59

9994

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

17610

Males

10966

M55-59

10966

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

13137

Males

8873

M55-59

8873

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

15089

Males

9664

M55-59

9664

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

12238

Males

8294

M55-59

8294

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12910

Males

8489

M55-59

8489

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17403

Males

10543

M55-59

10543

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

15169

Males

9553

M55-59

9553

Passing Analysis

Category:
Athletes Passed
1563
Passed By
2760
Net Change
-1197
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13310
5K → 10K159504-345#13310#13655
10K → 15K86499-413#13655#14068
15K → 20K90538-448#14068#14516
20K → Half6222+40#14516#14476
Half → 25K235100+135#14476#14341
25K → 30K191338-147#14341#14488
30K → 20M117173-56#14488#14544
20M → 21M55265-210#14544#14754
21M → 35K11525+90#14754#14664
35K → 23M9699-3#14664#14667
23M → 24M14220+122#14667#14545
24M → 40K11923+96#14545#14449
40K → 25.2M1670-54#14449#14503
25.2M → Finish8084-4#14503#14507
TOTALS15632760-1197
📊

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