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BOSTON MARATHON 2025

Andrew Jacobs

Bib: 8532•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 43%
Masters (Masters Men)
#0 / 10463
Top 31%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:17
Rank: #12175
Start → 5K
23:17 | 7:30/mi
10K· 6.21 mi
46:43
Rank: #12282 (-107)
5K → 10K
23:26 | 7:33/mi
15K· 9.32 mi
1:09:42
Rank: #11784 (+498)
10K → 15K
22:59 | 7:24/mi
20K· 12.43 mi
1:32:50
Rank: #11395 (+389)
15K → 20K
23:08 | 7:27/mi
Half· 13.11 mi
1:37:50
Rank: #11332 (+63)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:55:39
Rank: #10840 (+492)
Half → 25K
17:49 | 7:21/mi
30K· 18.64 mi
2:18:56
Rank: #10173 (+667)
25K → 30K
23:17 | 7:30/mi
20M
2:29:13
Rank: #9875 (+298)
30K → 20M
10:17 | 7:34/mi
21M
2:37:06
Rank: #9644 (+231)
20M → 21M
7:53 | 7:53/mi
35K· 21.75 mi
2:42:36
Rank: #9548 (+96)
21M → 35K
5:30 | 7:21/mi
23M
2:51:52
Rank: #9249 (+299)
35K → 23M
9:16 | 7:24/mi
24M
2:59:04
Rank: #9038 (+211)
23M → 24M
7:12 | 7:12/mi
40K· 24.85 mi
3:05:16
Rank: #8835 (+203)
24M → 40K
6:12 | 7:15/mi
25.2M
3:08:00
Rank: #8745 (+90)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:15:12
Rank: #8621 (+124)
25.2M → Finish
7:12 | 7:04/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:37:50
Pace7:28 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:37:22
Pace7:26 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5723:177:3023:17
7:30
-
10K
6.21 mi11:12:2346:437:3123:26
7:33
+0:03
15K
9.32 mi11:35:221:09:427:2922:59
7:24
-0:09
20K
12.43 mi11:58:301:32:507:2823:08
7:27
+0:03
Half
13.11 mi12:03:301:37:507:285:00
7:20
-0:07
25K
15.53 mi12:21:191:55:397:2717:49
7:21
+0:01
30K
18.64 mi12:44:362:18:567:2723:17
7:30
+0:09
20M
20.00 mi12:54:532:29:137:2810:17
7:34
+0:04
21M
21.00 mi13:02:462:37:067:297:53
7:53
+0:19
35K
21.75 mi13:08:162:42:367:295:30
7:21
-0:32
23M
23.00 mi13:17:322:51:527:289:16
7:24
+0:03
24M
24.00 mi13:24:442:59:047:287:12
7:12
-0:12
40K
24.85 mi13:30:563:05:167:276:12
7:15
+0:03
25.2M
25.20 mi13:33:403:08:007:282:44
7:56
+0:41
Finish
26.22 mi13:40:523:15:127:277:12
7:04
-0:52

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

7:04 /mi

Average Pace

7:27 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:35

95% of race

Time at Steady Pace

10:37

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:27 /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 mi10:48:5723:177:3023:17
7:30
#12175
10K
6.21 mi11:12:2346:437:3123:26
7:33
#12282
15K
9.32 mi11:35:221:09:427:2922:59
7:24
#11784
20K
12.43 mi11:58:301:32:507:2823:08
7:27
#11395
Half
13.11 mi12:03:301:37:507:285:00
7:20
#11332
25K
15.53 mi12:21:191:55:397:2717:49
7:21
#10840
30K
18.64 mi12:44:362:18:567:2723:17
7:30
#10173
20M
20.00 mi12:54:532:29:137:2810:17
7:34
#9875
21M
21.00 mi13:02:462:37:067:297:53
7:53
#9644
35K
21.75 mi13:08:162:42:367:295:30
7:21
#9548
23M
23.00 mi13:17:322:51:527:289:16
7:24
#9249
24M
24.00 mi13:24:442:59:047:287:12
7:12
#9038
40K
24.85 mi13:30:563:05:167:276:12
7:15
#8835
25.2M
25.20 mi13:33:403:08:007:282:44
7:56
#8745
Finish
26.22 mi13:40:523:15:127:277:12
7:04
#8621
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi121759249924910834(Top 38%)8510(Top 53%)8510(Top 379%)
10K6.21 mi3.10 mi12282-1079294-459294-4512469(Top 44%)9354(Top 58%)9354(Top 416%)
15K9.32 mi3.11 mi11784+4989044+2509044+25010834(Top 38%)8510(Top 53%)8510(Top 379%)
20K12.43 mi3.11 mi11395+3898811+2338811+23310274(Top 36%)8148(Top 51%)8148(Top 363%)
Half13.11 mi0.68 mi11332+638781+308781+3010172(Top 36%)8088(Top 50%)8088(Top 360%)
25K15.53 mi2.42 mi10840+4928505+2768505+2768714(Top 31%)7179(Top 45%)7179(Top 319%)
30K18.64 mi3.11 mi10173+6678097+4088097+4087701(Top 27%)6411(Top 40%)6411(Top 285%)
20M20.00 mi1.36 mi9875+2987919+1787919+1787458(Top 26%)6118(Top 38%)6118(Top 272%)
21M21.00 mi1.00 mi9644+2317764+1557764+1556693(Top 24%)5504(Top 34%)5504(Top 245%)
35K21.75 mi0.75 mi9548+967690+747690+747550(Top 27%)6027(Top 37%)6027(Top 268%)
23M23.00 mi1.25 mi9249+2997475+2157475+2156066(Top 21%)5011(Top 31%)5011(Top 223%)
24M24.00 mi1.00 mi9038+2117330+1457330+1455836(Top 21%)4824(Top 30%)4824(Top 215%)
40K24.85 mi0.85 mi8835+2037167+1637167+1635386(Top 19%)4487(Top 28%)4487(Top 200%)
25.2M25.20 mi0.35 mi8745+907097+707097+705583(Top 20%)4501(Top 28%)4501(Top 200%)
Finish26.22 mi1.02 mi8621+1247001+967001+966162(Top 22%)4838(Top 30%)4838(Top 215%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10834

Males

8510

M40-44

8510

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

12469

Males

9354

M40-44

9354

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10834

Males

8510

M40-44

8510

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

10274

Males

8148

M40-44

8148

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

10172

Males

8088

M40-44

8088

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8714

Males

7179

M40-44

7179

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7701

Males

6411

M40-44

6411

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

7458

Males

6118

M40-44

6118

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6693

Males

5504

M40-44

5504

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7550

Males

6027

M40-44

6027

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

6066

Males

5011

M40-44

5011

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5836

Males

4824

M40-44

4824

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5386

Males

4487

M40-44

4487

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5583

Males

4501

M40-44

4501

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6162

Males

4838

M40-44

4838

Passing Analysis

Category:
Athletes Passed
4012*
Passed By
458
Net Change
+3554
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12175
5K → 10K207314-107#12175#12282
10K → 15K52022+498#12282#11784
15K → 20K42435+389#11784#11395
20K → Half729+63#11395#11332
Half → 25K4975+492#11332#10840
25K → 30K6714+667#10840#10173
30K → 20M303*5+298#10173#9875
20M → 21M2409+231#9875#9644
21M → 35K10711+96#9644#9548
35K → 23M3034+299#9548#9249
23M → 24M2198+211#9249#9038
24M → 40K2052+203#9038#8835
40K → 25.2M977+90#8835#8745
25.2M → Finish14723+124#8745#8621
TOTALS4012*458+3554

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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