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BOSTON MARATHON 2025

Jonathan Fox

Bib: 14357•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 41%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 43%
Division (M45-49)
#0 / 2386
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
7:15/mi
22:31
↑ 97↓ 3451.5%
10K· 6.21 mi
7:06/mi
44:34
↑ 79↓ 1380.4%
15K· 9.32 mi
7:11/mi
1:06:53
↑ 67↓ 78
20K· 12.43 mi
7:16/mi
1:29:29
↑ 106↓ 860.1%
Half· 13.11 mi
7:05/mi
1:34:19
↑ 19↓ 370.5%
25K· 15.53 mi
7:24/mi
1:52:15
↑ 66↓ 880.2%
30K· 18.64 mi
7:49/mi
2:16:31
↑ 181↓ 1480.2%
20M
8:42/mi
2:28:21
↑ 64↓ 500.2%
21M
8:40/mi
2:37:01
↑ 106↓ 241.6%
35K· 21.75 mi
9:08/mi
2:43:51
↑ 17↓ 861.7%
23M
10:23/mi
2:56:51
↑ 23↓ 630.6%
24M
8:12/mi
3:05:03
↓ 821.3%
40K· 24.85 mi
8:53/mi
3:12:39
↓ 200.3%
25.2M
12:08/mi
3:16:50
↑ 13↓ 160.2%
Finish· 26.22 mi
8:04/mi
3:25:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:19
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:50:44
Pace8:27 /mi
📊Positive Split: 17.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4222:317:1522:31
7:15
-
10K
6.21 mi11:15:4544:347:1022:03
7:06
-0:09
15K
9.32 mi11:38:041:06:537:1122:19
7:11
+0:05
20K
12.43 mi12:00:401:29:297:1222:36
7:16
+0:05
Half
13.11 mi12:05:301:34:197:124:50
7:05
-0:11
25K
15.53 mi12:23:261:52:157:1417:56
7:24
+0:19
30K
18.64 mi12:47:422:16:317:1924:16
7:49
+0:25
20M
20.00 mi12:59:322:28:217:2511:50
8:42
+0:53
21M
21.00 mi13:08:122:37:017:298:40
8:40
-0:02
35K
21.75 mi13:15:022:43:517:326:50
9:08
+0:28
23M
23.00 mi13:28:022:56:517:4113:00
10:23
+1:15
24M
24.00 mi13:36:143:05:037:438:12
8:12
-2:11
40K
24.85 mi13:43:503:12:397:457:36
8:53
+0:41
25.2M
25.20 mi13:48:013:16:507:494:11
12:08
+3:15
Finish
26.22 mi13:56:143:25:037:508:13
8:04
-4:04

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

7:05 /mi

Average Pace

7:50 /mi

Slowest Pace

12:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:19

46% of race

Time at Steady Pace

1:19:07

39% of race

Time at Slower Pace

31:37

15% of race

Average Pace: 7:49 /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 mi10:53:4222:317:1522:31
7:15
#9880
10K
6.21 mi11:15:4544:347:1022:03
7:06
#9212
15K
9.32 mi11:38:041:06:537:1122:19
7:11
#9126
20K
12.43 mi12:00:401:29:297:1222:36
7:16
#8998
Half
13.11 mi12:05:301:34:197:124:50
7:05
#8931
25K
15.53 mi12:23:261:52:157:1417:56
7:24
#8915
30K
18.64 mi12:47:422:16:317:1924:16
7:49
#9044
20M
20.00 mi12:59:322:28:217:2511:50
8:42
#9531
21M
21.00 mi13:08:122:37:017:298:40
8:40
#9610
35K
21.75 mi13:15:022:43:517:326:50
9:08
#10035
23M
23.00 mi13:28:022:56:517:4113:00
10:23
#11050
24M
24.00 mi13:36:143:05:037:438:12
8:12
#11088
40K
24.85 mi13:43:503:12:397:457:36
8:53
#11266
25.2M
25.20 mi13:48:013:16:507:494:11
12:08
#11635
Finish
26.22 mi13:56:143:25:037:508:13
8:04
#11694
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9880810681068975(Top 32%)7535(Top 47%)7535(Top 316%)
10K6.21 mi3.10 mi9212+6687728+3787728+3788659(Top 30%)7399(Top 46%)7399(Top 310%)
15K9.32 mi3.11 mi9126+867659+697659+698975(Top 32%)7535(Top 47%)7535(Top 316%)
20K12.43 mi3.11 mi8998+1287565+947565+948832(Top 31%)7359(Top 46%)7359(Top 308%)
Half13.11 mi0.68 mi8931+677521+447521+448190(Top 29%)7029(Top 44%)7029(Top 295%)
25K15.53 mi2.42 mi8915+167486+357486+359125(Top 32%)7417(Top 46%)7417(Top 311%)
30K18.64 mi3.11 mi9044-1297490-47490-410026(Top 35%)7705(Top 48%)7705(Top 323%)
20M20.00 mi1.36 mi9531-4877718-2287718-22815083(Top 53%)9947(Top 62%)9947(Top 417%)
21M21.00 mi1.00 mi9610-797741-237741-2311459(Top 40%)8103(Top 50%)8103(Top 340%)
35K21.75 mi0.75 mi10035-4257923-1827923-18218837(Top 66%)11406(Top 71%)11406(Top 478%)
23M23.00 mi1.25 mi11050-10158383-4608383-46021673(Top 76%)12708(Top 79%)12708(Top 533%)
24M24.00 mi1.00 mi11088-388357+268357+2612537(Top 44%)8432(Top 52%)8432(Top 353%)
40K24.85 mi0.85 mi11266-1788408-518408-5115648(Top 55%)9727(Top 60%)9727(Top 408%)
25.2M25.20 mi0.35 mi11635-3698578-1708578-17023467(Top 83%)13498(Top 84%)13498(Top 566%)
Finish26.22 mi1.02 mi11694-598560+188560+1813284(Top 47%)8650(Top 54%)8650(Top 363%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8975

Males

7535

M45-49

7535

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8659

Males

7399

M45-49

7399

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8975

Males

7535

M45-49

7535

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8832

Males

7359

M45-49

7359

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

8190

Males

7029

M45-49

7029

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

9125

Males

7417

M45-49

7417

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

10026

Males

7705

M45-49

7705

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

15083

Males

9947

M45-49

9947

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

11459

Males

8103

M45-49

8103

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

18837

Males

11406

M45-49

11406

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

21673

Males

12708

M45-49

12708

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

12537

Males

8432

M45-49

8432

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15648

Males

9727

M45-49

9727

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23467

Males

13498

M45-49

13498

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

13284

Males

8650

M45-49

8650

Passing Analysis

Category:
Athletes Passed
1838
Passed By
3650
Net Change
-1814
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9880
5K → 10K70133+668#9880#9212
10K → 15K206120+86#9212#9126
15K → 20K229101+128#9126#8998
20K → Half8013+67#8998#8931
Half → 25K160144+16#8931#8915
25K → 30K176305-129#8915#9044
30K → 20M27514-487#9044#9531
20M → 21M58137-79#9531#9610
21M → 35K12435-425#9610#10035
35K → 23M81023-1015#10035#11050
23M → 24M76114-38#11050#11088
24M → 40K29207-178#11088#11266
40K → 25.2M1370-369#11266#11635
25.2M → Finish75134-59#11635#11694
TOTALS18383650-1814
📊

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