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BOSTON MARATHON 2025

Jonathan Gries

Bib: 1790•M

MI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 15%
Division (M18-39)
#0 / 5642
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:07
Rank: #1634
Start → 5K
6:09/mi
19:07 split
10K· 6.21 mi
37:38
Rank: #1251 (+383)
5K → 10K
5:58/mi
18:31 split
15K· 9.32 mi
56:05
Rank: #1101 (+150)
10K → 15K
5:56/mi
18:27 split
20K· 12.43 mi
1:14:24
Rank: #961 (+140)
15K → 20K
5:54/mi
18:19 split
Half· 13.11 mi
1:18:26
Rank: #957 (+4)
20K → Half
5:55/mi
4:02 split
25K· 15.53 mi
1:33:06
Rank: #936 (+21)
Half → 25K
6:03/mi
14:40 split
30K· 18.64 mi
1:52:58
Rank: #995 (-59)
25K → 30K
6:24/mi
19:52 split
20M
2:02:47
Rank: #1185 (-190)
30K → 20M
7:13/mi
9:49 split
21M
2:10:40
Rank: #1347 (-162)
20M → 21M
7:53/mi
7:53 split
35K· 21.75 mi
2:16:11
Rank: #1481 (-134)
21M → 35K
7:22/mi
5:31 split
23M
2:25:53
Rank: #1749 (-268)
35K → 23M
7:45/mi
9:42 split
24M
2:33:27
Rank: #1945 (-196)
23M → 24M
7:34/mi
7:34 split
40K· 24.85 mi
2:40:10
Rank: #2120 (-175)
24M → 40K
7:51/mi
6:43 split
25.2M
2:43:37
Rank: #2308 (-188)
40K → 25.2M
10:00/mi
3:27 split
Finish· 26.22 mi
2:51:32
Rank: #2546 (-238)
25.2M → Finish
7:46/mi
7:55 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:26
Pace5:59 /mi
2nd Half
Distance13.11 mi
Time1:33:06
Pace7:06 /mi
📊Positive Split: 18.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5019:076:0919:07
6:09
-
10K
6.21 mi10:38:2137:386:0318:31
5:58
-0:11
15K
9.32 mi10:56:4856:056:0118:27
5:56
-0:02
20K
12.43 mi11:15:071:14:245:5918:19
5:54
-0:02
Half
13.11 mi11:19:091:18:265:594:02
5:55
+0:01
25K
15.53 mi11:33:491:33:066:0014:40
6:03
+0:08
30K
18.64 mi11:53:411:52:586:0419:52
6:24
+0:21
20M
20.00 mi12:03:302:02:476:089:49
7:13
+0:49
21M
21.00 mi12:11:232:10:406:137:53
7:53
+0:40
35K
21.75 mi12:16:542:16:116:165:31
7:22
-0:31
23M
23.00 mi12:26:362:25:536:219:42
7:45
+0:23
24M
24.00 mi12:34:102:33:276:247:34
7:34
-0:11
40K
24.85 mi12:40:532:40:106:276:43
7:51
+0:17
25.2M
25.20 mi12:44:202:43:376:303:27
10:00
+2:09
Finish
26.22 mi12:52:152:51:326:337:55
7:46
-2:14

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

5:54 /mi

Average Pace

6:33 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:58

66% of race

Time at Steady Pace

40:31

24% of race

Time at Slower Pace

18:03

11% of race

Average Pace: 6:33 /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 mi10:19:5019:076:0919:07
6:09
#1634
10K
6.21 mi10:38:2137:386:0318:31
5:58
#1251
15K
9.32 mi10:56:4856:056:0118:27
5:56
#1101
20K
12.43 mi11:15:071:14:245:5918:19
5:54
#961
Half
13.11 mi11:19:091:18:265:594:02
5:55
#957
25K
15.53 mi11:33:491:33:066:0014:40
6:03
#936
30K
18.64 mi11:53:411:52:586:0419:52
6:24
#995
20M
20.00 mi12:03:302:02:476:089:49
7:13
#1185
21M
21.00 mi12:11:232:10:406:137:53
7:53
#1347
35K
21.75 mi12:16:542:16:116:165:31
7:22
#1481
23M
23.00 mi12:26:362:25:536:219:42
7:45
#1749
24M
24.00 mi12:34:102:33:276:247:34
7:34
#1945
40K
24.85 mi12:40:532:40:106:276:43
7:51
#2120
25.2M
25.20 mi12:44:202:43:376:303:27
10:00
#2308
Finish
26.22 mi12:52:152:51:326:337:55
7:46
#2546
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi163415521552858(Top 3%)806(Top 5%)806(Top 14%)
10K6.21 mi3.10 mi1251+3831188+3641188+364998(Top 4%)943(Top 6%)943(Top 17%)
15K9.32 mi3.11 mi1101+1501040+1481040+148858(Top 3%)806(Top 5%)806(Top 14%)
20K12.43 mi3.11 mi961+140905+135905+135615(Top 2%)568(Top 4%)568(Top 10%)
Half13.11 mi0.68 mi957+4902+3902+3898(Top 3%)850(Top 5%)850(Top 15%)
25K15.53 mi2.42 mi936+21883+19883+19935(Top 3%)881(Top 5%)881(Top 16%)
30K18.64 mi3.11 mi995-59938-55938-551539(Top 5%)1457(Top 9%)1457(Top 26%)
20M20.00 mi1.36 mi1185-1901118-1801118-1805327(Top 19%)4724(Top 29%)4724(Top 84%)
21M21.00 mi1.00 mi1347-1621272-1541272-1546664(Top 23%)5475(Top 34%)5475(Top 97%)
35K21.75 mi0.75 mi1481-1341400-1281400-1287672(Top 27%)6089(Top 38%)6089(Top 108%)
23M23.00 mi1.25 mi1749-2681659-2591659-2598175(Top 29%)6259(Top 39%)6259(Top 111%)
24M24.00 mi1.00 mi1945-1961845-1861845-1868124(Top 29%)6182(Top 38%)6182(Top 110%)
40K24.85 mi0.85 mi2120-1752014-1692014-1699136(Top 32%)6583(Top 41%)6583(Top 117%)
25.2M25.20 mi0.35 mi2308-1882193-1792193-17916942(Top 60%)10307(Top 64%)10307(Top 183%)
Finish26.22 mi1.02 mi2546-2382412-2192412-21911167(Top 39%)7585(Top 47%)7585(Top 134%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

858

Males

806

M18-39

806

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

998

Males

943

M18-39

943

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

858

Males

806

M18-39

806

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

615

Males

568

M18-39

568

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

898

Males

850

M18-39

850

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

935

Males

881

M18-39

881

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1539

Males

1457

M18-39

1457

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5327

Males

4724

M18-39

4724

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6664

Males

5475

M18-39

5475

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7672

Males

6089

M18-39

6089

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

8175

Males

6259

M18-39

6259

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

8124

Males

6182

M18-39

6182

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9136

Males

6583

M18-39

6583

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16942

Males

10307

M18-39

10307

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

11167

Males

7585

M18-39

7585

Passing Analysis

Category:
Athletes Passed
796
Passed By
1708
Net Change
-912
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1634
5K → 10K3830+383#1634#1251
10K → 15K1533+150#1251#1101
15K → 20K1411+140#1101#961
20K → Half73+4#961#957
Half → 25K4019+21#957#936
25K → 30K2887-59#936#995
30K → 20M5195-190#995#1185
20M → 21M8170-162#1185#1347
21M → 35K4138-134#1347#1481
35K → 23M10278-268#1481#1749
23M → 24M7203-196#1749#1945
24M → 40K6181-175#1945#2120
40K → 25.2M0188-188#2120#2308
25.2M → Finish4242-238#2308#2546
TOTALS7961708-912
📊

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