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BOSTON MARATHON 2025

Jonathan Grimm

Bib: 3272•M

NM

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 7%
Division (M18-39)
#0 / 5642
Top 16%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:55
Rank: #3184
Start → 5K
19:55 | 6:25/mi
10K· 6.21 mi
39:14
Rank: #2508 (+676)
5K → 10K
19:19 | 6:13/mi
15K· 9.32 mi
58:21
Rank: #2153 (+355)
10K → 15K
19:07 | 6:09/mi
20K· 12.43 mi
1:17:38
Rank: #1975 (+178)
15K → 20K
19:17 | 6:12/mi
Half· 13.11 mi
1:21:49
Rank: #1955 (+20)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:36:52
Rank: #1860 (+95)
Half → 25K
15:03 | 6:12/mi
30K· 18.64 mi
1:56:44
Rank: #1772 (+88)
25K → 30K
19:52 | 6:24/mi
20M
2:05:21
Rank: #1675 (+97)
30K → 20M
8:37 | 6:20/mi
21M
2:12:00
Rank: #1609 (+66)
20M → 21M
6:39 | 6:39/mi
35K· 21.75 mi
2:16:32
Rank: #1545 (+64)
21M → 35K
4:32 | 6:04/mi
23M
2:24:10
Rank: #1417 (+128)
35K → 23M
7:38 | 6:06/mi
24M
2:30:05
Rank: #1328 (+89)
23M → 24M
5:55 | 5:55/mi
40K· 24.85 mi
2:35:09
Rank: #1255 (+73)
24M → 40K
5:04 | 5:56/mi
25.2M
2:37:24
Rank: #1223 (+32)
40K → 25.2M
2:15 | 6:31/mi
Finish· 26.22 mi
2:43:09
Rank: #1135 (+88)
25.2M → Finish
5:45 | 5:39/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:21:49
Pace6:14 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:21:20
Pace6:12 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3519:556:2519:55
6:25
-
10K
6.21 mi10:40:5439:146:1919:19
6:13
-0:12
15K
9.32 mi11:00:0158:216:1619:07
6:09
-0:04
20K
12.43 mi11:19:181:17:386:1519:17
6:12
+0:03
Half
13.11 mi11:23:291:21:496:144:11
6:08
-0:04
25K
15.53 mi11:38:321:36:526:1415:03
6:12
+0:04
30K
18.64 mi11:58:241:56:446:1619:52
6:24
+0:12
20M
20.00 mi12:07:012:05:216:168:37
6:20
-0:04
21M
21.00 mi12:13:402:12:006:176:39
6:39
+0:19
35K
21.75 mi12:18:122:16:326:174:32
6:04
-0:35
23M
23.00 mi12:25:502:24:106:167:38
6:06
+0:02
24M
24.00 mi12:31:452:30:056:155:55
5:55
-0:11
40K
24.85 mi12:36:492:35:096:155:04
5:56
+0:01
25.2M
25.20 mi12:39:042:37:246:152:15
6:31
+0:35
Finish
26.22 mi12:44:492:43:096:145:45
5:39
-0:52

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

5:39 /mi

Average Pace

6:14 /mi

Slowest Pace

6:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:32

53% of race

Time at Steady Pace

1:16:37

47% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:13 /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 mi10:21:3519:556:2519:55
6:25
#3184
10K
6.21 mi10:40:5439:146:1919:19
6:13
#2508
15K
9.32 mi11:00:0158:216:1619:07
6:09
#2153
20K
12.43 mi11:19:181:17:386:1519:17
6:12
#1975
Half
13.11 mi11:23:291:21:496:144:11
6:08
#1955
25K
15.53 mi11:38:321:36:526:1415:03
6:12
#1860
30K
18.64 mi11:58:241:56:446:1619:52
6:24
#1772
20M
20.00 mi12:07:012:05:216:168:37
6:20
#1675
21M
21.00 mi12:13:402:12:006:176:39
6:39
#1609
35K
21.75 mi12:18:122:16:326:174:32
6:04
#1545
23M
23.00 mi12:25:502:24:106:167:38
6:06
#1417
24M
24.00 mi12:31:452:30:056:155:55
5:55
#1328
40K
24.85 mi12:36:492:35:096:155:04
5:56
#1255
25.2M
25.20 mi12:39:042:37:246:152:15
6:31
#1223
Finish
26.22 mi12:44:492:43:096:145:45
5:39
#1135
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3184302430241609(Top 6%)1526(Top 9%)1526(Top 27%)
10K6.21 mi3.10 mi2508+6762388+6362388+6361989(Top 7%)1893(Top 12%)1893(Top 34%)
15K9.32 mi3.11 mi2153+3552054+3342054+3341609(Top 6%)1526(Top 9%)1526(Top 27%)
20K12.43 mi3.11 mi1975+1781885+1691885+1691603(Top 6%)1522(Top 9%)1522(Top 27%)
Half13.11 mi0.68 mi1955+201865+201865+201624(Top 6%)1543(Top 10%)1543(Top 27%)
25K15.53 mi2.42 mi1860+951771+941771+941477(Top 5%)1403(Top 9%)1403(Top 25%)
30K18.64 mi3.11 mi1772+881687+841687+841520(Top 5%)1438(Top 9%)1438(Top 25%)
20M20.00 mi1.36 mi1675+971590+971590+971069(Top 4%)1008(Top 6%)1008(Top 18%)
21M21.00 mi1.00 mi1609+661524+661524+661053(Top 4%)996(Top 6%)996(Top 18%)
35K21.75 mi0.75 mi1545+641462+621462+62856(Top 3%)801(Top 5%)801(Top 14%)
23M23.00 mi1.25 mi1417+1281338+1241338+124488(Top 2%)460(Top 3%)460(Top 8%)
24M24.00 mi1.00 mi1328+891251+871251+87435(Top 2%)406(Top 3%)406(Top 7%)
40K24.85 mi0.85 mi1255+731180+711180+71325(Top 1%)300(Top 2%)300(Top 5%)
25.2M25.20 mi0.35 mi1223+321150+301150+30504(Top 2%)469(Top 3%)469(Top 8%)
Finish26.22 mi1.02 mi1135+881069+811069+81290(Top 1%)272(Top 2%)272(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1609

Males

1526

M18-39

1526

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1989

Males

1893

M18-39

1893

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1609

Males

1526

M18-39

1526

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1603

Males

1522

M18-39

1522

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1624

Males

1543

M18-39

1543

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1477

Males

1403

M18-39

1403

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1520

Males

1438

M18-39

1438

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1069

Males

1008

M18-39

1008

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1053

Males

996

M18-39

996

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

856

Males

801

M18-39

801

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

488

Males

460

M18-39

460

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

435

Males

406

M18-39

406

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

325

Males

300

M18-39

300

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

504

Males

469

M18-39

469

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

290

Males

272

M18-39

272

Passing Analysis

Category:
Athletes Passed
2116
Passed By
67
Net Change
+2049
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3184
5K → 10K6793+676#3184#2508
10K → 15K3561+355#2508#2153
15K → 20K1824+178#2153#1975
20K → Half255+20#1975#1955
Half → 25K10510+95#1955#1860
25K → 30K12032+88#1860#1772
30K → 20M981+97#1772#1675
20M → 21M726+66#1675#1609
21M → 35K684+64#1609#1545
35K → 23M1280+128#1545#1417
23M → 24M890+89#1417#1328
24M → 40K730+73#1328#1255
40K → 25.2M331+32#1255#1223
25.2M → Finish880+88#1223#1135
TOTALS211667+2049
📊

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