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BOSTON MARATHON 2025

Jefferson Ross

Bib: 5411•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 18%
Division (M18-39)
#0 / 5642
Top 40%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:21
Rank: #4188
Start → 5K
6:33/mi
20:21 split
10K· 6.21 mi
40:49
Rank: #4254 (-66)
5K → 10K
6:35/mi
20:28 split
15K· 9.32 mi
1:01:21
Rank: #4262 (-8)
10K → 15K
6:37/mi
20:32 split
20K· 12.43 mi
1:22:04
Rank: #4192 (+70)
15K → 20K
6:40/mi
20:43 split
Half· 13.11 mi
1:26:31
Rank: #4162 (+30)
20K → Half
6:31/mi
4:27 split
25K· 15.53 mi
1:42:38
Rank: #4035 (+127)
Half → 25K
6:39/mi
16:07 split
30K· 18.64 mi
2:03:18
Rank: #3735 (+300)
25K → 30K
6:39/mi
20:40 split
20M
2:12:04
Rank: #3503 (+232)
30K → 20M
6:27/mi
8:46 split
21M
2:18:43
Rank: #3267 (+236)
20M → 21M
6:39/mi
6:39 split
35K· 21.75 mi
2:23:34
Rank: #3200 (+67)
21M → 35K
6:29/mi
4:51 split
23M
2:32:08
Rank: #3135 (+65)
35K → 23M
6:51/mi
8:34 split
24M
2:39:03
Rank: #3143 (-8)
23M → 24M
6:55/mi
6:55 split
40K· 24.85 mi
2:45:06
Rank: #3138 (+5)
24M → 40K
7:05/mi
6:03 split
25.2M
2:47:43
Rank: #3120 (+18)
40K → 25.2M
7:35/mi
2:37 split
Finish· 26.22 mi
2:54:27
Rank: #3108 (+12)
25.2M → Finish
6:36/mi
6:44 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:31
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:27:56
Pace6:42 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3720:216:3320:21
6:33
-
10K
6.21 mi10:44:0540:496:3420:28
6:35
+0:02
15K
9.32 mi11:04:371:01:216:3520:32
6:37
+0:02
20K
12.43 mi11:25:201:22:046:3620:43
6:40
+0:03
Half
13.11 mi11:29:471:26:316:364:27
6:31
-0:09
25K
15.53 mi11:45:541:42:386:3616:07
6:39
+0:08
30K
18.64 mi12:06:342:03:186:3720:40
6:39
0:00
20M
20.00 mi12:15:202:12:046:368:46
6:27
-0:12
21M
21.00 mi12:21:592:18:436:366:39
6:39
+0:12
35K
21.75 mi12:26:502:23:346:364:51
6:29
-0:10
23M
23.00 mi12:35:242:32:086:378:34
6:51
+0:22
24M
24.00 mi12:42:192:39:036:386:55
6:55
+0:04
40K
24.85 mi12:48:222:45:066:396:03
7:05
+0:10
25.2M
25.20 mi12:50:592:47:436:392:37
7:35
+0:30
Finish
26.22 mi12:57:432:54:276:406:44
6:36
-0:59

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

6:27 /mi

Average Pace

6:40 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:50

99% of race

Time at Steady Pace

2:37

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:39 /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 mi10:23:3720:216:3320:21
6:33
#4188
10K
6.21 mi10:44:0540:496:3420:28
6:35
#4254
15K
9.32 mi11:04:371:01:216:3520:32
6:37
#4262
20K
12.43 mi11:25:201:22:046:3620:43
6:40
#4192
Half
13.11 mi11:29:471:26:316:364:27
6:31
#4162
25K
15.53 mi11:45:541:42:386:3616:07
6:39
#4035
30K
18.64 mi12:06:342:03:186:3720:40
6:39
#3735
20M
20.00 mi12:15:202:12:046:368:46
6:27
#3503
21M
21.00 mi12:21:592:18:436:366:39
6:39
#3267
35K
21.75 mi12:26:502:23:346:364:51
6:29
#3200
23M
23.00 mi12:35:242:32:086:378:34
6:51
#3135
24M
24.00 mi12:42:192:39:036:386:55
6:55
#3143
40K
24.85 mi12:48:222:45:066:396:03
7:05
#3138
25.2M
25.20 mi12:50:592:47:436:392:37
7:35
#3120
Finish
26.22 mi12:57:432:54:276:406:44
6:36
#3108
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4188394039404291(Top 15%)4029(Top 25%)4029(Top 71%)
10K6.21 mi3.10 mi4254-664001-614001-614348(Top 15%)4081(Top 25%)4081(Top 72%)
15K9.32 mi3.11 mi4262-84008-74008-74291(Top 15%)4029(Top 25%)4029(Top 71%)
20K12.43 mi3.11 mi4192+703943+653943+654136(Top 15%)3878(Top 24%)3878(Top 69%)
Half13.11 mi0.68 mi4162+303913+303913+303772(Top 13%)3552(Top 22%)3552(Top 63%)
25K15.53 mi2.42 mi4035+1273794+1193794+1193759(Top 13%)3524(Top 22%)3524(Top 62%)
30K18.64 mi3.11 mi3735+3003524+2703524+2702645(Top 9%)2503(Top 16%)2503(Top 44%)
20M20.00 mi1.36 mi3503+2323308+2163308+2161445(Top 5%)1367(Top 8%)1367(Top 24%)
21M21.00 mi1.00 mi3267+2363089+2193089+2191073(Top 4%)1016(Top 6%)1016(Top 18%)
35K21.75 mi0.75 mi3200+673024+653024+652385(Top 8%)2228(Top 14%)2228(Top 39%)
23M23.00 mi1.25 mi3135+652963+612963+612895(Top 10%)2650(Top 16%)2650(Top 47%)
24M24.00 mi1.00 mi3143-82968-52968-54147(Top 15%)3648(Top 23%)3648(Top 65%)
40K24.85 mi0.85 mi3138+52959+92959+94289(Top 15%)3687(Top 23%)3687(Top 65%)
25.2M25.20 mi0.35 mi3120+182937+222937+223750(Top 13%)3232(Top 20%)3232(Top 57%)
Finish26.22 mi1.02 mi3108+122929+82929+83358(Top 12%)2942(Top 18%)2942(Top 52%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21story building
+97ft-345ft

Overall

4291

Males

4029

M18-39

4029

5K→10K

3.1 - 6.2 mi

Top 15%
×5story building
+79ft-138ft

Overall

4348

Males

4081

M18-39

4081

10K→15K

6.2 - 9.3 mi

Top 15%
×3story building
+67ft-78ft

Overall

4291

Males

4029

M18-39

4029

15K→20K

9.3 - 12.4 mi

Top 15%
×5story building
+106ft-86ft

Overall

4136

Males

3878

M18-39

3878

20K→Half

12.4 - 13.1 mi

Top 13%
×2story building
+19ft-37ft

Overall

3772

Males

3552

M18-39

3552

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3759

Males

3524

M18-39

3524

25K→30K

15.5 - 18.6 mi

Top 9%
×9story building
+181ft-148ft

Overall

2645

Males

2503

M18-39

2503

30K→20M

18.6 - 20.0 mi

Top 5%
×5story building
+64ft-50ft

Overall

1445

Males

1367

M18-39

1367

20M→21M

20.0 - 21.0 mi

Top 4%
×8story building
+106ft-24ft

Overall

1073

Males

1016

M18-39

1016

21M→35K

21.0 - 21.8 mi

Top 8%
×7story building
+17ft-86ft

Overall

2385

Males

2228

M18-39

2228

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2895

Males

2650

M18-39

2650

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

4147

Males

3648

M18-39

3648

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4289

Males

3687

M18-39

3687

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3750

Males

3232

M18-39

3232

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3358

Males

2942

M18-39

2942

Passing Analysis

Category:
Athletes Passed
1626
Passed By
546
Net Change
+1080
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4188
5K → 10K111177-66#4188#4254
10K → 15K9199-8#4254#4262
15K → 20K13666+70#4262#4192
20K → Half355+30#4192#4162
Half → 25K15023+127#4162#4035
25K → 30K31111+300#4035#3735
30K → 20M2320+232#3735#3503
20M → 21M2371+236#3503#3267
21M → 35K725+67#3267#3200
35K → 23M8621+65#3200#3135
23M → 24M3846-8#3135#3143
24M → 40K4237+5#3143#3138
40K → 25.2M3517+18#3138#3120
25.2M → Finish5038+12#3120#3108
TOTALS1626546+1080
📊

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