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BOSTON MARATHON 2025

Oliver Grimm

Bib: 12358•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 26%
Gender (Male)
#0 / 16105
Top 39%
Masters (Masters Men)
#0 / 10463
Top 26%
Division (M45-49)
#0 / 2386
Top 37%
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
7:06/mi
22:05
↑ 97↓ 3451.5%
10K· 6.21 mi
6:54/mi
43:30
↑ 79↓ 1380.4%
15K· 9.32 mi
6:56/mi
1:05:03
↑ 67↓ 78
20K· 12.43 mi
7:09/mi
1:27:17
↑ 106↓ 860.1%
Half· 13.11 mi
7:04/mi
1:32:06
↑ 19↓ 370.5%
25K· 15.53 mi
7:18/mi
1:49:47
↑ 66↓ 880.2%
30K· 18.64 mi
7:34/mi
2:13:17
↑ 181↓ 1480.2%
20M
7:37/mi
2:23:38
↑ 64↓ 500.2%
21M
8:16/mi
2:31:54
↑ 106↓ 241.6%
35K· 21.75 mi
7:10/mi
2:37:16
↑ 17↓ 861.7%
23M
7:43/mi
2:46:56
↑ 23↓ 630.6%
24M
7:32/mi
2:54:28
↓ 821.3%
40K· 24.85 mi
7:38/mi
3:01:00
↓ 200.3%
25.2M
8:33/mi
3:03:57
↑ 13↓ 160.2%
Finish· 26.22 mi
7:38/mi
3:11:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:06
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:39:38
Pace7:36 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2622:057:0622:05
7:06
-
10K
6.21 mi11:10:5143:307:0021:25
6:54
-0:12
15K
9.32 mi11:32:241:05:036:5921:33
6:56
+0:02
20K
12.43 mi11:54:381:27:177:0122:14
7:09
+0:13
Half
13.11 mi11:59:271:32:067:024:49
7:04
-0:05
25K
15.53 mi12:17:081:49:477:0417:41
7:18
+0:14
30K
18.64 mi12:40:382:13:177:0923:30
7:34
+0:16
20M
20.00 mi12:50:592:23:387:1110:21
7:37
+0:03
21M
21.00 mi12:59:152:31:547:148:16
8:16
+0:39
35K
21.75 mi13:04:372:37:167:145:22
7:10
-1:06
23M
23.00 mi13:14:172:46:567:159:40
7:43
+0:33
24M
24.00 mi13:21:492:54:287:167:32
7:32
-0:11
40K
24.85 mi13:28:213:01:007:176:32
7:38
+0:06
25.2M
25.20 mi13:31:183:03:577:182:57
8:33
+0:55
Finish
26.22 mi13:39:053:11:447:197:47
7:38
-0:55

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

6:54 /mi

Average Pace

7:19 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:09

60% of race

Time at Steady Pace

1:05:22

34% of race

Time at Slower Pace

11:13

6% of race

Average Pace: 7:19 /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 mi10:49:2622:057:0622:05
7:06
#8694
10K
6.21 mi11:10:5143:307:0021:25
6:54
#7856
15K
9.32 mi11:32:241:05:036:5921:33
6:56
#7611
20K
12.43 mi11:54:381:27:177:0122:14
7:09
#7639
Half
13.11 mi11:59:271:32:067:024:49
7:04
#7652
25K
15.53 mi12:17:081:49:477:0417:41
7:18
#7713
30K
18.64 mi12:40:382:13:177:0923:30
7:34
#7674
20M
20.00 mi12:50:592:23:387:1110:21
7:37
#7624
21M
21.00 mi12:59:152:31:547:148:16
8:16
#7623
35K
21.75 mi13:04:372:37:167:145:22
7:10
#7545
23M
23.00 mi13:14:172:46:567:159:40
7:43
#7516
24M
24.00 mi13:21:492:54:287:167:32
7:32
#7484
40K
24.85 mi13:28:213:01:007:176:32
7:38
#7447
25.2M
25.20 mi13:31:183:03:577:182:57
8:33
#7464
Finish
26.22 mi13:39:053:11:447:197:47
7:38
#7527
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8694743274327195(Top 25%)6394(Top 40%)6394(Top 268%)
10K6.21 mi3.10 mi7856+8386886+5466886+5467177(Top 25%)6414(Top 40%)6414(Top 269%)
15K9.32 mi3.11 mi7611+2456716+1706716+1707195(Top 25%)6394(Top 40%)6394(Top 268%)
20K12.43 mi3.11 mi7639-286722-66722-67851(Top 28%)6774(Top 42%)6774(Top 284%)
Half13.11 mi0.68 mi7652-136727-56727-57947(Top 28%)6848(Top 43%)6848(Top 287%)
25K15.53 mi2.42 mi7713-616749-226749-228296(Top 29%)6931(Top 43%)6931(Top 290%)
30K18.64 mi3.11 mi7674+396672+776672+778164(Top 29%)6681(Top 41%)6681(Top 280%)
20M20.00 mi1.36 mi7624+506606+666606+667770(Top 27%)6291(Top 39%)6291(Top 264%)
21M21.00 mi1.00 mi7623+16568+386568+388973(Top 32%)6792(Top 42%)6792(Top 285%)
35K21.75 mi0.75 mi7545+786488+806488+806420(Top 23%)5334(Top 33%)5334(Top 224%)
23M23.00 mi1.25 mi7516+296432+566432+567996(Top 28%)6152(Top 38%)6152(Top 258%)
24M24.00 mi1.00 mi7484+326377+556377+557899(Top 28%)6043(Top 38%)6043(Top 253%)
40K24.85 mi0.85 mi7447+376317+606317+607668(Top 27%)5806(Top 36%)5806(Top 243%)
25.2M25.20 mi0.35 mi7464-17631763179006(Top 32%)6425(Top 40%)6425(Top 269%)
Finish26.22 mi1.02 mi7527-636324-76324-710180(Top 36%)7066(Top 44%)7066(Top 296%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

7195

Males

6394

M45-49

6394

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

7177

Males

6414

M45-49

6414

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

7195

Males

6394

M45-49

6394

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7851

Males

6774

M45-49

6774

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7947

Males

6848

M45-49

6848

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8296

Males

6931

M45-49

6931

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8164

Males

6681

M45-49

6681

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7770

Males

6291

M45-49

6291

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

8973

Males

6792

M45-49

6792

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

6420

Males

5334

M45-49

5334

35K→23M

21.8 - 23.0 mi

Top 28%
×5story building
+23ft-63ft

Overall

7996

Males

6152

M45-49

6152

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7899

Males

6043

M45-49

6043

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7668

Males

5806

M45-49

5806

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9006

Males

6425

M45-49

6425

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

10180

Males

7066

M45-49

7066

Passing Analysis

Category:
Athletes Passed
2251
Passed By
1084
Net Change
+1167
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8694
5K → 10K85214+838#8694#7856
10K → 15K28742+245#7856#7611
15K → 20K124152-28#7611#7639
20K → Half2134-13#7639#7652
Half → 25K91152-61#7652#7713
25K → 30K213174+39#7713#7674
30K → 20M11363+50#7674#7624
20M → 21M9392+1#7624#7623
21M → 35K10022+78#7623#7545
35K → 23M11182+29#7545#7516
23M → 24M8553+32#7516#7484
24M → 40K9154+37#7484#7447
40K → 25.2M2037-17#7447#7464
25.2M → Finish50113-63#7464#7527
TOTALS22511084+1167
📊

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