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BOSTON MARATHON 2025

Harry Balwick

Bib: 4364•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 22%
Masters (Masters Men)
#0 / 10463
Top 9%
Division (M40-44)
#0 / 2247
Top 24%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:28
Rank: #4475
Start → 5K
20:28 | 6:35/mi
10K· 6.21 mi
40:57
Rank: #4417 (+58)
5K → 10K
20:29 | 6:36/mi
15K· 9.32 mi
1:01:30
Rank: #4374 (+43)
10K → 15K
20:33 | 6:37/mi
20K· 12.43 mi
1:22:13
Rank: #4301 (+73)
15K → 20K
20:43 | 6:40/mi
Half· 13.11 mi
1:26:45
Rank: #4308 (-7)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:42:58
Rank: #4206 (+102)
Half → 25K
16:13 | 6:41/mi
30K· 18.64 mi
2:04:15
Rank: #4040 (+166)
25K → 30K
21:17 | 6:51/mi
20M
2:13:38
Rank: #3975 (+65)
30K → 20M
9:23 | 6:54/mi
21M
2:21:01
Rank: #3952 (+23)
20M → 21M
7:23 | 7:23/mi
35K· 21.75 mi
2:26:01
Rank: #3909 (+43)
21M → 35K
5:00 | 6:41/mi
23M
2:34:46
Rank: #3872 (+37)
35K → 23M
8:45 | 6:59/mi
24M
2:41:31
Rank: #3814 (+58)
23M → 24M
6:45 | 6:45/mi
40K· 24.85 mi
2:47:34
Rank: #3813 (+1)
24M → 40K
6:03 | 7:05/mi
25.2M
2:50:14
Rank: #3802 (+11)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
2:57:17
Rank: #3820 (-18)
25.2M → Finish
7:03 | 6:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:45
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:30:32
Pace6:54 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0620:286:3520:28
6:35
-
10K
6.21 mi10:43:3540:576:3520:29
6:36
+0:01
15K
9.32 mi11:04:081:01:306:3620:33
6:37
+0:01
20K
12.43 mi11:24:511:22:136:3720:43
6:40
+0:03
Half
13.11 mi11:29:231:26:456:374:32
6:39
-0:01
25K
15.53 mi11:45:361:42:586:3816:13
6:41
+0:02
30K
18.64 mi12:06:532:04:156:4021:17
6:51
+0:10
20M
20.00 mi12:16:162:13:386:419:23
6:54
+0:03
21M
21.00 mi12:23:392:21:016:437:23
7:23
+0:29
35K
21.75 mi12:28:392:26:016:435:00
6:41
-0:42
23M
23.00 mi12:37:242:34:466:448:45
6:59
+0:18
24M
24.00 mi12:44:092:41:316:446:45
6:45
-0:14
40K
24.85 mi12:50:122:47:346:456:03
7:05
+0:20
25.2M
25.20 mi12:52:522:50:146:452:40
7:44
+0:39
Finish
26.22 mi12:59:552:57:176:467:03
6:55
-0:49

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

6:35 /mi

Average Pace

6:46 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:14

94% of race

Time at Steady Pace

10:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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 mi10:23:0620:286:3520:28
6:35
#4475
10K
6.21 mi10:43:3540:576:3520:29
6:36
#4417
15K
9.32 mi11:04:081:01:306:3620:33
6:37
#4374
20K
12.43 mi11:24:511:22:136:3720:43
6:40
#4301
Half
13.11 mi11:29:231:26:456:374:32
6:39
#4308
25K
15.53 mi11:45:361:42:586:3816:13
6:41
#4206
30K
18.64 mi12:06:532:04:156:4021:17
6:51
#4040
20M
20.00 mi12:16:162:13:386:419:23
6:54
#3975
21M
21.00 mi12:23:392:21:016:437:23
7:23
#3952
35K
21.75 mi12:28:392:26:016:435:00
6:41
#3909
23M
23.00 mi12:37:242:34:466:448:45
6:59
#3872
24M
24.00 mi12:44:092:41:316:446:45
6:45
#3814
40K
24.85 mi12:50:122:47:346:456:03
7:05
#3813
25.2M
25.20 mi12:52:522:50:146:452:40
7:44
#3802
Finish
26.22 mi12:59:552:57:176:467:03
6:55
#3820
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4475420742074336(Top 15%)4070(Top 25%)4070(Top 181%)
10K6.21 mi3.10 mi4417+584154+534154+534408(Top 16%)4133(Top 26%)4133(Top 184%)
15K9.32 mi3.11 mi4374+434112+424112+424336(Top 15%)4070(Top 25%)4070(Top 181%)
20K12.43 mi3.11 mi4301+734043+694043+694141(Top 15%)3883(Top 24%)3883(Top 173%)
Half13.11 mi0.68 mi4308-74047-44047-44718(Top 17%)4378(Top 27%)4378(Top 195%)
25K15.53 mi2.42 mi4206+1023950+973950+974034(Top 14%)3758(Top 23%)3758(Top 167%)
30K18.64 mi3.11 mi4040+1663791+1593791+1593735(Top 13%)3454(Top 21%)3454(Top 154%)
20M20.00 mi1.36 mi3975+653731+603731+603533(Top 12%)3255(Top 20%)3255(Top 145%)
21M21.00 mi1.00 mi3952+233703+283703+284002(Top 14%)3625(Top 23%)3625(Top 161%)
35K21.75 mi0.75 mi3909+433660+433660+433389(Top 12%)3088(Top 19%)3088(Top 137%)
23M23.00 mi1.25 mi3872+373616+443616+443673(Top 13%)3317(Top 21%)3317(Top 148%)
24M24.00 mi1.00 mi3814+583560+563560+563213(Top 11%)2893(Top 18%)2893(Top 129%)
40K24.85 mi0.85 mi3813+13547+133547+134299(Top 15%)3697(Top 23%)3697(Top 165%)
25.2M25.20 mi0.35 mi3802+113533+143533+144432(Top 16%)3710(Top 23%)3710(Top 165%)
Finish26.22 mi1.02 mi3820-183543-103543-105172(Top 18%)4220(Top 26%)4220(Top 188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4336

Males

4070

M40-44

4070

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4408

Males

4133

M40-44

4133

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4336

Males

4070

M40-44

4070

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4141

Males

3883

M40-44

3883

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4718

Males

4378

M40-44

4378

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

4034

Males

3758

M40-44

3758

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3735

Males

3454

M40-44

3454

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3533

Males

3255

M40-44

3255

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

4002

Males

3625

M40-44

3625

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3389

Males

3088

M40-44

3088

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3673

Males

3317

M40-44

3317

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3213

Males

2893

M40-44

2893

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4299

Males

3697

M40-44

3697

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4432

Males

3710

M40-44

3710

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5172

Males

4220

M40-44

4220

Passing Analysis

Category:
Athletes Passed
1308
Passed By
653
Net Change
+655
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4475
5K → 10K174116+58#4475#4417
10K → 15K12481+43#4417#4374
15K → 20K13158+73#4374#4301
20K → Half2330-7#4301#4308
Half → 25K14139+102#4308#4206
25K → 30K22054+166#4206#4040
30K → 20M8621+65#4040#3975
20M → 21M7552+23#3975#3952
21M → 35K5613+43#3952#3909
35K → 23M8144+37#3909#3872
23M → 24M7921+58#3872#3814
24M → 40K4746+1#3814#3813
40K → 25.2M2413+11#3813#3802
25.2M → Finish4765-18#3802#3820
TOTALS1308653+655
📊

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