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BOSTON MARATHON 2025

Anthony Chase

Bib: 850•M

QC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 12%
Division (M18-39)
#0 / 5642
Top 29%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:18
Rank: #777
Start → 5K
18:18 | 5:53/mi
10K· 6.21 mi
36:29
Rank: #738 (+39)
5K → 10K
18:11 | 5:51/mi
15K· 9.32 mi
55:01
Rank: #797 (-59)
10K → 15K
18:32 | 5:58/mi
20K· 12.43 mi
1:15:00
Rank: #1087 (-290)
15K → 20K
19:59 | 6:26/mi
Half· 13.11 mi
1:19:07
Rank: #1096 (-9)
20K → Half
4:07 | 6:02/mi
25K· 15.53 mi
1:35:25
Rank: #1439 (-343)
Half → 25K
16:18 | 6:43/mi
30K· 18.64 mi
1:55:36
Rank: #1490 (-51)
25K → 30K
20:11 | 6:30/mi
20M
2:05:00
Rank: #1600 (-110)
30K → 20M
9:24 | 6:55/mi
21M
2:12:28
Rank: #1712 (-112)
20M → 21M
7:28 | 7:28/mi
35K· 21.75 mi
2:17:38
Rank: #1778 (-66)
21M → 35K
5:10 | 6:54/mi
23M
2:26:50
Rank: #1944 (-166)
35K → 23M
9:12 | 7:21/mi
24M
2:33:57
Rank: #2033 (-89)
23M → 24M
7:07 | 7:07/mi
40K· 24.85 mi
2:39:55
Rank: #2063 (-30)
24M → 40K
5:58 | 6:59/mi
25.2M
2:42:29
Rank: #2078 (-15)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:49:01
Rank: #2086 (-8)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:07
Pace6:02 /mi
2nd Half
Distance13.11 mi
Time1:29:54
Pace6:51 /mi
📊Positive Split: 13.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:4218:185:5318:18
5:53
-
10K
6.21 mi10:36:5336:295:5218:11
5:51
-0:02
15K
9.32 mi10:55:2555:015:5418:32
5:58
+0:07
20K
12.43 mi11:15:241:15:006:0219:59
6:26
+0:28
Half
13.11 mi11:19:311:19:076:024:07
6:02
-0:24
25K
15.53 mi11:35:491:35:256:0916:18
6:43
+0:41
30K
18.64 mi11:56:001:55:366:1220:11
6:30
-0:13
20M
20.00 mi12:05:242:05:006:159:24
6:55
+0:25
21M
21.00 mi12:12:522:12:286:187:28
7:28
+0:33
35K
21.75 mi12:18:022:17:386:205:10
6:54
-0:34
23M
23.00 mi12:27:142:26:506:239:12
7:21
+0:27
24M
24.00 mi12:34:212:33:576:257:07
7:07
-0:14
40K
24.85 mi12:40:192:39:556:265:58
6:59
-0:08
25.2M
25.20 mi12:42:532:42:296:272:34
7:27
+0:28
Finish
26.22 mi12:49:252:49:016:276:32
6:25
-1:02

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

5:51 /mi

Average Pace

6:27 /mi

Slowest Pace

7:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:39

51% of race

Time at Steady Pace

57:01

34% of race

Time at Slower Pace

26:21

16% of race

Average Pace: 6:27 /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 mi10:18:4218:185:5318:18
5:53
#777
10K
6.21 mi10:36:5336:295:5218:11
5:51
#738
15K
9.32 mi10:55:2555:015:5418:32
5:58
#797
20K
12.43 mi11:15:241:15:006:0219:59
6:26
#1087
Half
13.11 mi11:19:311:19:076:024:07
6:02
#1096
25K
15.53 mi11:35:491:35:256:0916:18
6:43
#1439
30K
18.64 mi11:56:001:55:366:1220:11
6:30
#1490
20M
20.00 mi12:05:242:05:006:159:24
6:55
#1600
21M
21.00 mi12:12:522:12:286:187:28
7:28
#1712
35K
21.75 mi12:18:022:17:386:205:10
6:54
#1778
23M
23.00 mi12:27:142:26:506:239:12
7:21
#1944
24M
24.00 mi12:34:212:33:576:257:07
7:07
#2033
40K
24.85 mi12:40:192:39:556:265:58
6:59
#2063
25.2M
25.20 mi12:42:532:42:296:272:34
7:27
#2078
Finish
26.22 mi12:49:252:49:016:276:32
6:25
#2086
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi777725725932(Top 3%)879(Top 5%)879(Top 16%)
10K6.21 mi3.10 mi738+39688+37688+37721(Top 3%)676(Top 4%)676(Top 12%)
15K9.32 mi3.11 mi797-59746-58746-58932(Top 3%)879(Top 5%)879(Top 16%)
20K12.43 mi3.11 mi1087-2901027-2811027-2812693(Top 9%)2563(Top 16%)2563(Top 45%)
Half13.11 mi0.68 mi1096-91036-91036-91297(Top 5%)1231(Top 8%)1231(Top 22%)
25K15.53 mi2.42 mi1439-3431367-3311367-3314277(Top 15%)3965(Top 25%)3965(Top 70%)
30K18.64 mi3.11 mi1490-511410-431410-431959(Top 7%)1862(Top 12%)1862(Top 33%)
20M20.00 mi1.36 mi1600-1101516-1061516-1063585(Top 13%)3301(Top 20%)3301(Top 59%)
21M21.00 mi1.00 mi1712-1121624-1081624-1084405(Top 16%)3923(Top 24%)3923(Top 70%)
35K21.75 mi0.75 mi1778-661688-641688-644703(Top 17%)4146(Top 26%)4146(Top 73%)
23M23.00 mi1.25 mi1944-1661845-1571845-1575699(Top 20%)4786(Top 30%)4786(Top 85%)
24M24.00 mi1.00 mi2033-891930-851930-855261(Top 19%)4428(Top 27%)4428(Top 78%)
40K24.85 mi0.85 mi2063-301958-281958-283723(Top 13%)3268(Top 20%)3268(Top 58%)
25.2M25.20 mi0.35 mi2078-151972-141972-143079(Top 11%)2720(Top 17%)2720(Top 48%)
Finish26.22 mi1.02 mi2086-81979-71979-72345(Top 8%)2137(Top 13%)2137(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

932

Males

879

M18-39

879

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

721

Males

676

M18-39

676

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

932

Males

879

M18-39

879

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2693

Males

2563

M18-39

2563

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1297

Males

1231

M18-39

1231

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4277

Males

3965

M18-39

3965

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1959

Males

1862

M18-39

1862

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3585

Males

3301

M18-39

3301

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4405

Males

3923

M18-39

3923

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4703

Males

4146

M18-39

4146

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5699

Males

4786

M18-39

4786

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5261

Males

4428

M18-39

4428

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3723

Males

3268

M18-39

3268

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3079

Males

2720

M18-39

2720

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2345

Males

2137

M18-39

2137

Passing Analysis

Category:
Athletes Passed
249
Passed By
1558
Net Change
-1309
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#777
5K → 10K6021+39#777#738
10K → 15K968-59#738#797
15K → 20K3293-290#797#1087
20K → Half413-9#1087#1096
Half → 25K6349-343#1096#1439
25K → 30K4192-51#1439#1490
30K → 20M14124-110#1490#1600
20M → 21M15127-112#1600#1712
21M → 35K975-66#1712#1778
35K → 23M13179-166#1778#1944
23M → 24M18107-89#1944#2033
24M → 40K2757-30#2033#2063
40K → 25.2M621-15#2063#2078
25.2M → Finish2432-8#2078#2086
TOTALS2491558-1309
📊

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