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BOSTON MARATHON 2025

John Hieb

Bib: 21589•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M75-79)
#0 / 52
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:29
Rank: #15508
Start → 5K
24:29 | 7:53/mi
10K· 6.21 mi
49:22
Rank: #16059 (-551)
5K → 10K
24:53 | 8:01/mi
15K· 9.32 mi
1:14:24
Rank: #16191 (-132)
10K → 15K
25:02 | 8:03/mi
20K· 12.43 mi
1:40:09
Rank: #16374 (-183)
15K → 20K
25:45 | 8:17/mi
Half· 13.11 mi
1:45:53
Rank: #16509 (-135)
20K → Half
5:44 | 8:24/mi
25K· 15.53 mi
2:06:38
Rank: #16650 (-141)
Half → 25K
20:45 | 8:33/mi
30K· 18.64 mi
2:34:22
Rank: #16719 (-69)
25K → 30K
27:44 | 8:56/mi
20M
2:46:48
Rank: #16762 (-43)
30K → 20M
12:26 | 9:09/mi
21M
2:56:28
Rank: #16728 (+34)
20M → 21M
9:40 | 9:40/mi
35K· 21.75 mi
3:02:59
Rank: #16711 (+17)
21M → 35K
6:31 | 8:43/mi
23M
3:14:16
Rank: #16654 (+57)
35K → 23M
11:17 | 9:01/mi
24M
3:23:13
Rank: #16676 (-22)
23M → 24M
8:57 | 8:57/mi
40K· 24.85 mi
3:30:55
Rank: #16646 (+30)
24M → 40K
7:42 | 9:00/mi
25.2M
3:34:20
Rank: #16651 (-5)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:43:14
Rank: #16685 (-34)
25.2M → Finish
8:54 | 8:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:53
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:57:21
Pace8:57 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:4524:297:5324:29
7:53
-
10K
6.21 mi11:51:3849:227:5724:53
8:01
+0:08
15K
9.32 mi12:16:401:14:247:5925:02
8:03
+0:02
20K
12.43 mi12:42:251:40:098:0425:45
8:17
+0:14
Half
13.11 mi12:48:091:45:538:055:44
8:24
+0:07
25K
15.53 mi13:08:542:06:388:0920:45
8:33
+0:09
30K
18.64 mi13:36:382:34:228:1727:44
8:56
+0:23
20M
20.00 mi13:49:042:46:488:2012:26
9:09
+0:13
21M
21.00 mi13:58:442:56:288:249:40
9:40
+0:31
35K
21.75 mi14:05:153:02:598:256:31
8:43
-0:57
23M
23.00 mi14:16:323:14:168:2711:17
9:01
+0:18
24M
24.00 mi14:25:293:23:138:288:57
8:57
-0:04
40K
24.85 mi14:33:113:30:558:297:42
9:00
+0:03
25.2M
25.20 mi14:36:363:34:208:303:25
9:54
+0:54
Finish
26.22 mi14:45:303:43:148:318:54
8:44
-1:10

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

7:53 /mi

Average Pace

8:31 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:53

47% of race

Time at Steady Pace

1:20:33

36% of race

Time at Slower Pace

36:48

16% of race

Average Pace: 8:31 /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 mi11:26:4524:297:5324:29
7:53
#15508
10K
6.21 mi11:51:3849:227:5724:53
8:01
#16059
15K
9.32 mi12:16:401:14:247:5925:02
8:03
#16191
20K
12.43 mi12:42:251:40:098:0425:45
8:17
#16374
Half
13.11 mi12:48:091:45:538:055:44
8:24
#16509
25K
15.53 mi13:08:542:06:388:0920:45
8:33
#16650
30K
18.64 mi13:36:382:34:228:1727:44
8:56
#16719
20M
20.00 mi13:49:042:46:488:2012:26
9:09
#16762
21M
21.00 mi13:58:442:56:288:249:40
9:40
#16728
35K
21.75 mi14:05:153:02:598:256:31
8:43
#16711
23M
23.00 mi14:16:323:14:168:2711:17
9:01
#16654
24M
24.00 mi14:25:293:23:138:288:57
8:57
#16676
40K
24.85 mi14:33:113:30:558:297:42
9:00
#16646
25.2M
25.20 mi14:36:363:34:208:303:25
9:54
#16651
Finish
26.22 mi14:45:303:43:148:318:54
8:44
#16685
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM75-79Seg. OverallSeg. MalesSeg. M75-79
5K3.11 mi3.11 mi15508106281062816453(Top 58%)10996(Top 68%)10996(Top 21146%)
10K6.21 mi3.10 mi16059-55110837-20910837-20916547(Top 58%)11050(Top 69%)11050(Top 21250%)
15K9.32 mi3.11 mi16191-13210896-5910896-5916453(Top 58%)10996(Top 68%)10996(Top 21146%)
20K12.43 mi3.11 mi16374-18310958-6210958-6216856(Top 59%)11113(Top 69%)11113(Top 21371%)
Half13.11 mi0.68 mi16509-13511018-6011018-6018566(Top 65%)11839(Top 74%)11839(Top 22767%)
25K15.53 mi2.42 mi16650-14111045-2711045-2717511(Top 62%)11317(Top 70%)11317(Top 21763%)
30K18.64 mi3.11 mi16719-6911021+2411021+2417281(Top 61%)11055(Top 69%)11055(Top 21260%)
20M20.00 mi1.36 mi16762-4311018+311018+317511(Top 62%)11039(Top 69%)11039(Top 21229%)
21M21.00 mi1.00 mi16728+3410963+5510963+5516852(Top 59%)10626(Top 66%)10626(Top 20435%)
35K21.75 mi0.75 mi16711+1710940+2310940+2316731(Top 59%)10505(Top 65%)10505(Top 20202%)
23M23.00 mi1.25 mi16654+5710881+5910881+5916318(Top 57%)10206(Top 63%)10206(Top 19627%)
24M24.00 mi1.00 mi16676-2210871+1010871+1017092(Top 60%)10500(Top 65%)10500(Top 20192%)
40K24.85 mi0.85 mi16646+3010819+5210819+5216309(Top 57%)10058(Top 62%)10058(Top 19342%)
25.2M25.20 mi0.35 mi16651-510812+710812+716562(Top 58%)10155(Top 63%)10155(Top 19529%)
Finish26.22 mi1.02 mi16685-3410803+910803+917655(Top 62%)10708(Top 66%)10708(Top 20592%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16453

Males

10996

M75-79

10996

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

16547

Males

11050

M75-79

11050

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16453

Males

10996

M75-79

10996

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

16856

Males

11113

M75-79

11113

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

18566

Males

11839

M75-79

11839

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17511

Males

11317

M75-79

11317

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

17281

Males

11055

M75-79

11055

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17511

Males

11039

M75-79

11039

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

16852

Males

10626

M75-79

10626

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

16731

Males

10505

M75-79

10505

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

16318

Males

10206

M75-79

10206

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

17092

Males

10500

M75-79

10500

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16309

Males

10058

M75-79

10058

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16562

Males

10155

M75-79

10155

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

17655

Males

10708

M75-79

10708

Passing Analysis

Category:
Athletes Passed
1451
Passed By
2628
Net Change
-1177
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15508
5K → 10K143694-551#15508#16059
10K → 15K156288-132#16059#16191
15K → 20K157340-183#16191#16374
20K → Half9144-135#16374#16509
Half → 25K118259-141#16509#16650
25K → 30K199268-69#16650#16719
30K → 20M89132-43#16719#16762
20M → 21M12187+34#16762#16728
21M → 35K7053+17#16728#16711
35K → 23M13982+57#16711#16654
23M → 24M7092-22#16654#16676
24M → 40K9060+30#16676#16646
40K → 25.2M2934-5#16646#16651
25.2M → Finish6195-34#16651#16685
TOTALS14512628-1177
📊

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