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BOSTON MARATHON 2025

Chase Ratliff

Bib: 4192•M

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 28%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:17
Rank: #4042
Start → 5K
20:17 | 6:32/mi
10K· 6.21 mi
40:54
Rank: #4351 (-309)
5K → 10K
20:37 | 6:38/mi
15K· 9.32 mi
1:01:11
Rank: #4124 (+227)
10K → 15K
20:17 | 6:32/mi
20K· 12.43 mi
1:21:35
Rank: #3909 (+215)
15K → 20K
20:24 | 6:34/mi
Half· 13.11 mi
1:26:00
Rank: #3884 (+25)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:41:45
Rank: #3690 (+194)
Half → 25K
15:45 | 6:30/mi
30K· 18.64 mi
2:03:11
Rank: #3699 (-9)
25K → 30K
21:26 | 6:54/mi
20M
2:13:17
Rank: #3866 (-167)
30K → 20M
10:06 | 7:26/mi
21M
2:21:21
Rank: #4080 (-214)
20M → 21M
8:04 | 8:04/mi
35K· 21.75 mi
2:26:22
Rank: #4043 (+37)
21M → 35K
5:01 | 6:42/mi
23M
2:36:33
Rank: #4435 (-392)
35K → 23M
10:11 | 8:08/mi
24M
2:43:42
Rank: #4475 (-40)
23M → 24M
7:09 | 7:09/mi
40K· 24.85 mi
2:50:20
Rank: #4642 (-167)
24M → 40K
6:38 | 7:45/mi
25.2M
2:53:24
Rank: #4769 (-127)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:00:50
Rank: #4878 (-109)
25.2M → Finish
7:26 | 7:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:00
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:34:50
Pace7:14 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5620:176:3220:17
6:32
-
10K
6.21 mi10:43:3340:546:3520:37
6:38
+0:06
15K
9.32 mi11:03:501:01:116:3420:17
6:32
-0:06
20K
12.43 mi11:24:141:21:356:3420:24
6:34
+0:02
Half
13.11 mi11:28:391:26:006:344:25
6:28
-0:06
25K
15.53 mi11:44:241:41:456:3315:45
6:30
+0:02
30K
18.64 mi12:05:502:03:116:3621:26
6:54
+0:24
20M
20.00 mi12:15:562:13:176:4010:06
7:26
+0:32
21M
21.00 mi12:24:002:21:216:448:04
8:04
+0:38
35K
21.75 mi12:29:012:26:226:445:01
6:42
-1:22
23M
23.00 mi12:39:122:36:336:4810:11
8:08
+1:26
24M
24.00 mi12:46:212:43:426:497:09
7:09
-0:59
40K
24.85 mi12:52:592:50:206:516:38
7:45
+0:36
25.2M
25.20 mi12:56:032:53:246:533:04
8:54
+1:09
Finish
26.22 mi13:03:293:00:506:547:26
7:18
-1:36

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

6:28 /mi

Average Pace

6:54 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:44

34% of race

Time at Steady Pace

1:14:37

41% of race

Time at Slower Pace

45:29

25% of race

Average Pace: 6:54 /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 mi10:22:5620:176:3220:17
6:32
#4042
10K
6.21 mi10:43:3340:546:3520:37
6:38
#4351
15K
9.32 mi11:03:501:01:116:3420:17
6:32
#4124
20K
12.43 mi11:24:141:21:356:3420:24
6:34
#3909
Half
13.11 mi11:28:391:26:006:344:25
6:28
#3884
25K
15.53 mi11:44:241:41:456:3315:45
6:30
#3690
30K
18.64 mi12:05:502:03:116:3621:26
6:54
#3699
20M
20.00 mi12:15:562:13:176:4010:06
7:26
#3866
21M
21.00 mi12:24:002:21:216:448:04
8:04
#4080
35K
21.75 mi12:29:012:26:226:445:01
6:42
#4043
23M
23.00 mi12:39:122:36:336:4810:11
8:08
#4435
24M
24.00 mi12:46:212:43:426:497:09
7:09
#4475
40K
24.85 mi12:52:592:50:206:516:38
7:45
#4642
25.2M
25.20 mi12:56:032:53:246:533:04
8:54
#4769
Finish
26.22 mi13:03:293:00:506:547:26
7:18
#4878
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4042381238123737(Top 13%)3526(Top 22%)3526(Top 62%)
10K6.21 mi3.10 mi4351-3094091-2794091-2794741(Top 17%)4438(Top 28%)4438(Top 79%)
15K9.32 mi3.11 mi4124+2273886+2053886+2053737(Top 13%)3526(Top 22%)3526(Top 62%)
20K12.43 mi3.11 mi3909+2153682+2043682+2043506(Top 12%)3318(Top 21%)3318(Top 59%)
Half13.11 mi0.68 mi3884+253659+233659+233507(Top 12%)3323(Top 21%)3323(Top 59%)
25K15.53 mi2.42 mi3690+1943485+1743485+1742870(Top 10%)2731(Top 17%)2731(Top 48%)
30K18.64 mi3.11 mi3699-93490-53490-54069(Top 14%)3745(Top 23%)3745(Top 66%)
20M20.00 mi1.36 mi3866-1673634-1443634-1446557(Top 23%)5545(Top 34%)5545(Top 98%)
21M21.00 mi1.00 mi4080-2143818-1843818-1847694(Top 27%)6077(Top 38%)6077(Top 108%)
35K21.75 mi0.75 mi4043+373777+413777+413528(Top 12%)3201(Top 20%)3201(Top 57%)
23M23.00 mi1.25 mi4435-3924103-3264103-32610918(Top 38%)7694(Top 48%)7694(Top 136%)
24M24.00 mi1.00 mi4475-404127-244127-245482(Top 19%)4579(Top 28%)4579(Top 81%)
40K24.85 mi0.85 mi4642-1674264-1374264-1378419(Top 30%)6193(Top 38%)6193(Top 110%)
25.2M25.20 mi0.35 mi4769-1274367-1034367-10311080(Top 39%)7486(Top 46%)7486(Top 133%)
Finish26.22 mi1.02 mi4878-1094451-844451-847690(Top 27%)5719(Top 36%)5719(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3737

Males

3526

M18-39

3526

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4741

Males

4438

M18-39

4438

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3737

Males

3526

M18-39

3526

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3506

Males

3318

M18-39

3318

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3507

Males

3323

M18-39

3323

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2870

Males

2731

M18-39

2731

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

4069

Males

3745

M18-39

3745

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6557

Males

5545

M18-39

5545

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7694

Males

6077

M18-39

6077

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3528

Males

3201

M18-39

3201

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10918

Males

7694

M18-39

7694

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5482

Males

4579

M18-39

4579

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8419

Males

6193

M18-39

6193

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11080

Males

7486

M18-39

7486

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7690

Males

5719

M18-39

5719

Passing Analysis

Category:
Athletes Passed
1069
Passed By
1905
Net Change
-836
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4042
5K → 10K45354-309#4042#4351
10K → 15K25023+227#4351#4124
15K → 20K22813+215#4124#3909
20K → Half272+25#3909#3884
Half → 25K2006+194#3884#3690
25K → 30K103112-9#3690#3699
30K → 20M27194-167#3699#3866
20M → 21M24238-214#3866#4080
21M → 35K5821+37#4080#4043
35K → 23M16408-392#4043#4435
23M → 24M4383-40#4435#4475
24M → 40K22189-167#4475#4642
40K → 25.2M8135-127#4642#4769
25.2M → Finish18127-109#4769#4878
TOTALS10691905-836
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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