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BOSTON MARATHON 2025

Robert Atlas

CA

Bib: 5858 M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 28%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:45/mi
20:58
↑ 97↓ 345
10K· 6.21 mi
6:48/mi
42:06
↑ 79↓ 138
15K· 9.32 mi
6:47/mi
1:03:10
↑ 67↓ 78
20K· 12.43 mi
6:47/mi
1:24:15
↑ 106↓ 86
Half· 13.11 mi
6:36/mi
1:28:45
↑ 19↓ 37
25K· 15.53 mi
6:46/mi
1:45:10
↑ 66↓ 88
30K· 18.64 mi
7:03/mi
2:07:04
↑ 181↓ 148
20M
7:09/mi
2:16:47
↑ 64↓ 50
21M
7:29/mi
2:24:16
↑ 106↓ 24
35K· 21.75 mi
6:46/mi
2:29:20
↑ 17↓ 86
23M
7:04/mi
2:38:11
↑ 23↓ 63
24M
7:06/mi
2:45:17
↓ 82
40K· 24.85 mi
7:22/mi
2:51:35
↓ 20
25.2M
8:07/mi
2:54:23
↑ 13↓ 16
Finish· 26.22 mi
7:03/mi
3:01:34
↑ 22↓ 21
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:28:456:46 /mi⚡ faster
2nd Half
1:32:497:05 /mi+4.6%
Positive split — 4.6% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
20:586:453.11 mi20:58
6:45
-
10K
42:066:473.10 mi21:08
6:48
+0:03
15K
1:03:106:473.11 mi21:04
6:47
-0:01
20K
1:24:156:473.11 mi21:05
6:47
0:00
Half(13.11 mi)
1:28:456:460.68 mi4:30
6:36
-0:11
25K
1:45:106:462.42 mi16:25
6:46
+0:10
30K
2:07:046:493.11 mi21:54
7:03
+0:17
20M
2:16:476:501.36 mi9:43
7:09
+0:06
21M
2:24:166:521.00 mi7:29
7:29
+0:20
35K
2:29:206:520.75 mi5:04
6:46
-0:43
23M
2:38:116:531.25 mi8:51
7:04
+0:18
24M
2:45:176:531.00 mi7:06
7:06
+0:02
40K
2:51:356:540.85 mi6:18
7:22
+0:16
25.2M
2:54:236:550.35 mi2:48
8:07
+0:45
Finish(26.22 mi)
3:01:346:561.02 mi7:11
7:03
-1:04
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:36 /mi

Average Pace

6:56 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:50:14

61% of race

Time at Steady Pace

54:45

30% of race

Time at Slower Pace

16:35

9% of race

Average Pace: 6:55 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi586854035403587653505350
10K3.10 mi6052-1845551-1485551-148638657865786
15K3.11 mi5966+865469+825469+82587653505350
20K3.11 mi5754+2125283+1865283+186515147464746
Half(13.11 mi)0.68 mi5677+775213+705213+70434740694069
25K2.42 mi5458+2195019+1945019+194463842754275
30K3.11 mi5300+1584869+1504869+150499345324532
20M1.36 mi5261+394823+464823+46492044234423
21M1.00 mi5196+654765+584765+58451940094009
35K0.75 mi5126+704701+644701+64392835283528
23M1.25 mi5030+964610+914610+91415036943694
24M1.00 mi5034-44601+94601+9518943794379
40K0.85 mi5036-24593+84593+8598548314831
25.2M0.35 mi5038-245934593648950185018
Finish(26.22 mi)1.02 mi5026+124570+234570+23602647344734

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

5876

Males

5350

M18-39

5350

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

6386

Males

5786

M18-39

5786

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

5876

Males

5350

M18-39

5350

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

5151

Males

4746

M18-39

4746

20K→Half

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

4347

Males

4069

M18-39

4069

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4638

Males

4275

M18-39

4275

25K→30K

15.5 - 18.6 mi

Top 18%
×9story building
+181ft-148ft

Overall

4993

Males

4532

M18-39

4532

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4920

Males

4423

M18-39

4423

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4519

Males

4009

M18-39

4009

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3928

Males

3528

M18-39

3528

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

4150

Males

3694

M18-39

3694

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

5189

Males

4379

M18-39

4379

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5985

Males

4831

M18-39

4831

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6489

Males

5018

M18-39

5018

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

6026

Males

4734

M18-39

4734

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#5868
5K → 10K
294110-184
#5868 → #6052
10K → 15K
91177+86
#6052 → #5966
15K → 20K
43255+212
#5966 → #5754
20K → Half
077+77
#5754 → #5677
Half → 25K
22241+219
#5677 → #5458
25K → 30K
80238+158
#5458 → #5300
30K → 20M
5493+39
#5300 → #5261
20M → 21M
49114+65
#5261 → #5196
21M → 35K
1181+70
#5196 → #5126
35K → 23M
34130+96
#5126 → #5030
23M → 24M
5955-4
#5030 → #5034
24M → 40K
5351-2
#5034 → #5036
40K → 25.2M
1917-2
#5036 → #5038
25.2M → Finish
3547+12
#5038 → #5026
TOTALS
8441686+842
#5868 → #5026

Passing Visualized

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