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BOSTON MARATHON 2025

Nathán Goldberg Crenier

Bib: 26757•M

TX

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
7:21/mi
22:50
↑ 97↓ 3451.5%
10K· 6.21 mi
7:17/mi
45:29
↑ 79↓ 1380.4%
15K· 9.32 mi
7:16/mi
1:08:05
↑ 67↓ 78
20K· 12.43 mi
7:12/mi
1:30:28
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:35:19
↑ 19↓ 370.5%
25K· 15.53 mi
7:22/mi
1:53:10
↑ 66↓ 880.2%
30K· 18.64 mi
7:46/mi
2:17:19
↑ 181↓ 1480.2%
20M
8:07/mi
2:28:21
↑ 64↓ 500.2%
21M
8:31/mi
2:36:52
↑ 106↓ 241.6%
35K· 21.75 mi
7:44/mi
2:42:39
↑ 17↓ 861.7%
23M
8:50/mi
2:53:42
↑ 23↓ 630.6%
24M
8:25/mi
3:02:07
↓ 821.3%
40K· 24.85 mi
8:31/mi
3:09:24
↓ 200.3%
25.2M
9:52/mi
3:12:48
↑ 13↓ 160.2%
Finish· 26.22 mi
8:37/mi
3:21:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:19
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:46:16
Pace8:06 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:0422:507:2122:50
7:21
-
10K
6.21 mi12:01:4345:297:1922:39
7:17
-0:04
15K
9.32 mi12:24:191:08:057:1822:36
7:16
-0:01
20K
12.43 mi12:46:421:30:287:1722:23
7:12
-0:04
Half
13.11 mi12:51:331:35:197:164:51
7:07
-0:05
25K
15.53 mi13:09:241:53:107:1717:51
7:22
+0:15
30K
18.64 mi13:33:332:17:197:2224:09
7:46
+0:24
20M
20.00 mi13:44:352:28:217:2511:02
8:07
+0:21
21M
21.00 mi13:53:062:36:527:288:31
8:31
+0:24
35K
21.75 mi13:58:532:42:397:295:47
7:44
-0:47
23M
23.00 mi14:09:562:53:427:3311:03
8:50
+1:06
24M
24.00 mi14:18:213:02:077:358:25
8:25
-0:25
40K
24.85 mi14:25:383:09:247:377:17
8:31
+0:06
25.2M
25.20 mi14:29:023:12:487:393:24
9:52
+1:21
Finish
26.22 mi14:37:493:21:357:428:47
8:37
-1:15

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

7:07 /mi

Average Pace

7:42 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:10

56% of race

Time at Steady Pace

40:58

20% of race

Time at Slower Pace

47:27

24% of race

Average Pace: 7:41 /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 mi11:39:0422:507:2122:50
7:21
#10842
10K
6.21 mi12:01:4345:297:1922:39
7:17
#10494
15K
9.32 mi12:24:191:08:057:1822:36
7:16
#10238
20K
12.43 mi12:46:421:30:287:1722:23
7:12
#9687
Half
13.11 mi12:51:331:35:197:164:51
7:07
#9596
25K
15.53 mi13:09:241:53:107:1717:51
7:22
#9441
30K
18.64 mi13:33:332:17:197:2224:09
7:46
#9414
20M
20.00 mi13:44:352:28:217:2511:02
8:07
#9530
21M
21.00 mi13:53:062:36:527:288:31
8:31
#9553
35K
21.75 mi13:58:532:42:397:295:47
7:44
#9563
23M
23.00 mi14:09:562:53:427:3311:03
8:50
#9949
24M
24.00 mi14:18:213:02:077:358:25
8:25
#10125
40K
24.85 mi14:25:383:09:247:377:17
8:31
#10236
25.2M
25.20 mi14:29:023:12:487:393:24
9:52
#10351
Finish
26.22 mi14:37:493:21:357:428:47
8:37
#10613
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi10842861386139765(Top 34%)7959(Top 49%)7959(Top 141%)
10K6.21 mi3.10 mi10494+3488420+1938420+19310260(Top 36%)8288(Top 51%)8288(Top 147%)
15K9.32 mi3.11 mi10238+2568264+1568264+1569765(Top 34%)7959(Top 49%)7959(Top 141%)
20K12.43 mi3.11 mi9687+5517929+3357929+3358248(Top 29%)7020(Top 44%)7020(Top 124%)
Half13.11 mi0.68 mi9596+917874+557874+558358(Top 29%)7127(Top 44%)7127(Top 126%)
25K15.53 mi2.42 mi9441+1557765+1097765+1098837(Top 31%)7248(Top 45%)7248(Top 128%)
30K18.64 mi3.11 mi9414+277700+657700+659723(Top 34%)7546(Top 47%)7546(Top 134%)
20M20.00 mi1.36 mi9530-1167717-177717-1711219(Top 39%)8138(Top 51%)8138(Top 144%)
21M21.00 mi1.00 mi9553-237706+117706+1110556(Top 37%)7645(Top 47%)7645(Top 136%)
35K21.75 mi0.75 mi9563-107698+87698+810274(Top 36%)7508(Top 47%)7508(Top 133%)
23M23.00 mi1.25 mi9949-3867837-1397837-13915225(Top 54%)9728(Top 60%)9728(Top 172%)
24M24.00 mi1.00 mi10125-1767895-587895-5813961(Top 49%)9111(Top 57%)9111(Top 161%)
40K24.85 mi0.85 mi10236-1117920-257920-2513514(Top 48%)8758(Top 54%)8758(Top 155%)
25.2M25.20 mi0.35 mi10351-1157960-407960-4016286(Top 57%)9996(Top 62%)9996(Top 177%)
Finish26.22 mi1.02 mi10613-2628060-1008060-10016922(Top 60%)10346(Top 64%)10346(Top 183%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9765

Males

7959

M18-39

7959

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10260

Males

8288

M18-39

8288

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9765

Males

7959

M18-39

7959

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

8248

Males

7020

M18-39

7020

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

8358

Males

7127

M18-39

7127

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8837

Males

7248

M18-39

7248

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9723

Males

7546

M18-39

7546

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

11219

Males

8138

M18-39

8138

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

10556

Males

7645

M18-39

7645

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10274

Males

7508

M18-39

7508

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

15225

Males

9728

M18-39

9728

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13961

Males

9111

M18-39

9111

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13514

Males

8758

M18-39

8758

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16286

Males

9996

M18-39

9996

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

16922

Males

10346

M18-39

10346

Passing Analysis

Category:
Athletes Passed
2252*
Passed By
2020
Net Change
+229
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10842
5K → 10K460112+348#10842#10494
10K → 15K32064+256#10494#10238
15K → 20K559*8+551#10238#9687
20K → Half976+91#9687#9596
Half → 25K22065+155#9596#9441
25K → 30K235208+27#9441#9414
30K → 20M79195-116#9414#9530
20M → 21M7194-23#9530#9553
21M → 35K5969-10#9553#9563
35K → 23M34419-386#9563#9949
23M → 24M40214-176#9949#10125
24M → 40K48159-111#10125#10236
40K → 25.2M11126-115#10236#10351
25.2M → Finish19281-262#10351#10613
TOTALS2252*2020+229

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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