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BOSTON MARATHON 2025

Brock Bierman

Bib: 32125•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:32
Rank: #23166
Start → 5K
9:11/mi
28:32 split
10K· 6.21 mi
57:26
Rank: #23351 (-185)
5K → 10K
9:18/mi
28:54 split
15K· 9.32 mi
1:26:16
Rank: #23288 (+63)
10K → 15K
9:17/mi
28:50 split
20K· 12.43 mi
1:54:34
Rank: #22863 (+425)
15K → 20K
9:07/mi
28:18 split
Half· 13.11 mi
2:00:33
Rank: #22760 (+103)
20K → Half
8:46/mi
5:59 split
25K· 15.53 mi
2:22:54
Rank: #22427 (+333)
Half → 25K
9:13/mi
22:21 split
30K· 18.64 mi
2:52:01
Rank: #21883 (+544)
25K → 30K
9:22/mi
29:07 split
20M
3:05:09
Rank: #21710 (+173)
30K → 20M
9:40/mi
13:08 split
21M
3:15:17
Rank: #21528 (+182)
20M → 21M
10:08/mi
10:08 split
35K· 21.75 mi
3:22:02
Rank: #21416 (+112)
21M → 35K
9:01/mi
6:45 split
23M
3:33:47
Rank: #21205 (+211)
35K → 23M
9:23/mi
11:45 split
24M
3:43:01
Rank: #21081 (+124)
23M → 24M
9:14/mi
9:14 split
40K· 24.85 mi
3:51:11
Rank: #21005 (+76)
24M → 40K
9:33/mi
8:10 split
25.2M
3:54:55
Rank: #20984 (+21)
40K → 25.2M
10:50/mi
3:44 split
Finish· 26.22 mi
4:04:33
Rank: #20979 (+5)
25.2M → Finish
9:27/mi
9:38 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:33
Pace9:12 /mi
2nd Half
Distance13.11 mi
Time2:04:00
Pace9:28 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4728:329:1128:32
9:11
-
10K
6.21 mi12:21:4157:269:1528:54
9:18
+0:07
15K
9.32 mi12:50:311:26:169:1528:50
9:17
-0:01
20K
12.43 mi13:18:491:54:349:1328:18
9:07
-0:10
Half
13.11 mi13:24:482:00:339:125:59
8:46
-0:21
25K
15.53 mi13:47:092:22:549:1222:21
9:13
+0:27
30K
18.64 mi14:16:162:52:019:1429:07
9:22
+0:09
20M
20.00 mi14:29:243:05:099:1513:08
9:40
+0:18
21M
21.00 mi14:39:323:15:179:1810:08
10:08
+0:28
35K
21.75 mi14:46:173:22:029:176:45
9:01
-1:07
23M
23.00 mi14:58:023:33:479:1811:45
9:23
+0:22
24M
24.00 mi15:07:163:43:019:189:14
9:14
-0:09
40K
24.85 mi15:15:263:51:119:188:10
9:33
+0:19
25.2M
25.20 mi15:19:103:54:559:193:44
10:50
+1:17
Finish
26.22 mi15:28:484:04:339:209:38
9:27
-1:23

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

8:46 /mi

Average Pace

9:20 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:44

5% of race

Time at Steady Pace

3:16:39

80% of race

Time at Slower Pace

35:10

14% of race

Average Pace: 9:20 /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 mi11:52:4728:329:1128:32
9:11
#23166
10K
6.21 mi12:21:4157:269:1528:54
9:18
#23351
15K
9.32 mi12:50:311:26:169:1528:50
9:17
#23288
20K
12.43 mi13:18:491:54:349:1328:18
9:07
#22863
Half
13.11 mi13:24:482:00:339:125:59
8:46
#22760
25K
15.53 mi13:47:092:22:549:1222:21
9:13
#22427
30K
18.64 mi14:16:162:52:019:1429:07
9:22
#21883
20M
20.00 mi14:29:243:05:099:1513:08
9:40
#21710
21M
21.00 mi14:39:323:15:179:1810:08
10:08
#21528
35K
21.75 mi14:46:173:22:029:176:45
9:01
#21416
23M
23.00 mi14:58:023:33:479:1811:45
9:23
#21205
24M
24.00 mi15:07:163:43:019:189:14
9:14
#21081
40K
24.85 mi15:15:263:51:119:188:10
9:33
#21005
25.2M
25.20 mi15:19:103:54:559:193:44
10:50
#20984
Finish
26.22 mi15:28:484:04:339:209:38
9:27
#20979
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi23166138461384623139(Top 81%)13899(Top 86%)13899(Top 1104%)
10K6.21 mi3.10 mi23351-18513945-9913945-9923528(Top 83%)14038(Top 87%)14038(Top 1115%)
15K9.32 mi3.11 mi23288+6313940+513940+523139(Top 81%)13899(Top 86%)13899(Top 1104%)
20K12.43 mi3.11 mi22863+42513754+18613754+18621476(Top 76%)13114(Top 81%)13114(Top 1042%)
Half13.11 mi0.68 mi22760+10313709+4513709+4520742(Top 73%)12796(Top 79%)12796(Top 1016%)
25K15.53 mi2.42 mi22427+33313542+16713542+16720828(Top 73%)12779(Top 79%)12779(Top 1015%)
30K18.64 mi3.11 mi21883+54413266+27613266+27619425(Top 68%)12025(Top 75%)12025(Top 955%)
20M20.00 mi1.36 mi21710+17313180+8613180+8619820(Top 70%)12086(Top 75%)12086(Top 960%)
21M21.00 mi1.00 mi21528+18213063+11713063+11718796(Top 66%)11522(Top 72%)11522(Top 915%)
35K21.75 mi0.75 mi21416+11213001+6213001+6218335(Top 65%)11205(Top 70%)11205(Top 890%)
23M23.00 mi1.25 mi21205+21112878+12312878+12318169(Top 64%)11064(Top 69%)11064(Top 879%)
24M24.00 mi1.00 mi21081+12412788+9012788+9018507(Top 65%)11171(Top 69%)11171(Top 887%)
40K24.85 mi0.85 mi21005+7612739+4912739+4918900(Top 67%)11275(Top 70%)11275(Top 896%)
25.2M25.20 mi0.35 mi20984+2112727+1212727+1220094(Top 71%)11836(Top 73%)11836(Top 940%)
Finish26.22 mi1.02 mi20979+512713+1412713+1421006(Top 74%)12294(Top 76%)12294(Top 976%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

23139

Males

13899

M60-64

13899

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

23528

Males

14038

M60-64

14038

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

23139

Males

13899

M60-64

13899

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

21476

Males

13114

M60-64

13114

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

20742

Males

12796

M60-64

12796

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

20828

Males

12779

M60-64

12779

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

19425

Males

12025

M60-64

12025

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

19820

Males

12086

M60-64

12086

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

18796

Males

11522

M60-64

11522

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

18335

Males

11205

M60-64

11205

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

18169

Males

11064

M60-64

11064

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

18507

Males

11171

M60-64

11171

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

18900

Males

11275

M60-64

11275

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20094

Males

11836

M60-64

11836

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

21006

Males

12294

M60-64

12294

Passing Analysis

Category:
Athletes Passed
2853
Passed By
666
Net Change
+2187
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23166
5K → 10K150335-185#23166#23351
10K → 15K213150+63#23351#23288
15K → 20K44520+425#23288#22863
20K → Half1052+103#22863#22760
Half → 25K34815+333#22760#22427
25K → 30K55713+544#22427#21883
30K → 20M19421+173#21883#21710
20M → 21M1886+182#21710#21528
21M → 35K12210+112#21528#21416
35K → 23M22110+211#21416#21205
23M → 24M13410+124#21205#21081
24M → 40K8812+76#21081#21005
40K → 25.2M3918+21#21005#20984
25.2M → Finish4944+5#20984#20979
TOTALS2853666+2187
📊

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