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BOSTON MARATHON 2025

Phillip Spronz

Bib: 2591•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 26%
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
20:08
Rank: #3706
Start → 5K
20:08 | 6:29/mi
10K· 6.21 mi
40:09
Rank: #3496 (+210)
5K → 10K
20:01 | 6:27/mi
15K· 9.32 mi
59:58
Rank: #3228 (+268)
10K → 15K
19:49 | 6:23/mi
20K· 12.43 mi
1:20:01
Rank: #3104 (+124)
15K → 20K
20:03 | 6:27/mi
Half· 13.11 mi
1:24:22
Rank: #3090 (+14)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:40:27
Rank: #3172 (-82)
Half → 25K
16:05 | 6:38/mi
30K· 18.64 mi
2:02:45
Rank: #3575 (-403)
25K → 30K
22:18 | 7:11/mi
20M
2:12:53
Rank: #3728 (-153)
30K → 20M
10:08 | 7:27/mi
21M
2:20:45
Rank: #3866 (-138)
20M → 21M
7:52 | 7:52/mi
35K· 21.75 mi
2:26:13
Rank: #3978 (-112)
21M → 35K
5:28 | 7:18/mi
23M
2:35:39
Rank: #4140 (-162)
35K → 23M
9:26 | 7:32/mi
24M
2:43:01
Rank: #4244 (-104)
23M → 24M
7:22 | 7:22/mi
40K· 24.85 mi
2:49:25
Rank: #4352 (-108)
24M → 40K
6:24 | 7:29/mi
25.2M
2:52:15
Rank: #4399 (-47)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
2:59:21
Rank: #4476 (-77)
25.2M → Finish
7:06 | 6:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:22
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:34:59
Pace7:15 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3620:086:2920:08
6:29
-
10K
6.21 mi10:41:3740:096:2820:01
6:27
-0:02
15K
9.32 mi11:01:2659:586:2619:49
6:23
-0:04
20K
12.43 mi11:21:291:20:016:2620:03
6:27
+0:04
Half
13.11 mi11:25:501:24:226:264:21
6:23
-0:04
25K
15.53 mi11:41:551:40:276:2816:05
6:38
+0:15
30K
18.64 mi12:04:132:02:456:3522:18
7:11
+0:33
20M
20.00 mi12:14:212:12:536:3910:08
7:27
+0:16
21M
21.00 mi12:22:132:20:456:427:52
7:52
+0:25
35K
21.75 mi12:27:412:26:136:435:28
7:18
-0:34
23M
23.00 mi12:37:072:35:396:469:26
7:32
+0:14
24M
24.00 mi12:44:292:43:016:487:22
7:22
-0:10
40K
24.85 mi12:50:532:49:256:496:24
7:29
+0:07
25.2M
25.20 mi12:53:432:52:156:502:50
8:13
+0:44
Finish
26.22 mi13:00:492:59:216:517:06
6:58
-1:15

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

6:23 /mi

Average Pace

6:51 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:27

56% of race

Time at Steady Pace

52:22

29% of race

Time at Slower Pace

26:32

15% of race

Average Pace: 6:50 /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 mi10:21:3620:086:2920:08
6:29
#3706
10K
6.21 mi10:41:3740:096:2820:01
6:27
#3496
15K
9.32 mi11:01:2659:586:2619:49
6:23
#3228
20K
12.43 mi11:21:291:20:016:2620:03
6:27
#3104
Half
13.11 mi11:25:501:24:226:264:21
6:23
#3090
25K
15.53 mi11:41:551:40:276:2816:05
6:38
#3172
30K
18.64 mi12:04:132:02:456:3522:18
7:11
#3575
20M
20.00 mi12:14:212:12:536:3910:08
7:27
#3728
21M
21.00 mi12:22:132:20:456:427:52
7:52
#3866
35K
21.75 mi12:27:412:26:136:435:28
7:18
#3978
23M
23.00 mi12:37:072:35:396:469:26
7:32
#4140
24M
24.00 mi12:44:292:43:016:487:22
7:22
#4244
40K
24.85 mi12:50:532:49:256:496:24
7:29
#4352
25.2M
25.20 mi12:53:432:52:156:502:50
8:13
#4399
Finish
26.22 mi13:00:492:59:216:517:06
6:58
#4476
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3706351235122815(Top 10%)2681(Top 17%)2681(Top 48%)
10K6.21 mi3.10 mi3496+2103318+1943318+1943335(Top 12%)3170(Top 20%)3170(Top 56%)
15K9.32 mi3.11 mi3228+2683069+2493069+2492815(Top 10%)2681(Top 17%)2681(Top 48%)
20K12.43 mi3.11 mi3104+1242958+1112958+1112850(Top 10%)2714(Top 17%)2714(Top 48%)
Half13.11 mi0.68 mi3090+142946+122946+122984(Top 11%)2851(Top 18%)2851(Top 51%)
25K15.53 mi2.42 mi3172-823022-763022-763690(Top 13%)3469(Top 22%)3469(Top 61%)
30K18.64 mi3.11 mi3575-4033379-3573379-3575775(Top 20%)5147(Top 32%)5147(Top 91%)
20M20.00 mi1.36 mi3728-1533510-1313510-1316718(Top 24%)5659(Top 35%)5659(Top 100%)
21M21.00 mi1.00 mi3866-1383628-1183628-1186565(Top 23%)5414(Top 34%)5414(Top 96%)
35K21.75 mi0.75 mi3978-1123720-923720-927250(Top 26%)5834(Top 36%)5834(Top 103%)
23M23.00 mi1.25 mi4140-1623849-1293849-1296807(Top 24%)5474(Top 34%)5474(Top 97%)
24M24.00 mi1.00 mi4244-1043926-773926-776807(Top 24%)5406(Top 34%)5406(Top 96%)
40K24.85 mi0.85 mi4352-1084012-864012-866697(Top 24%)5254(Top 33%)5254(Top 93%)
25.2M25.20 mi0.35 mi4399-474050-384050-387092(Top 25%)5382(Top 33%)5382(Top 95%)
Finish26.22 mi1.02 mi4476-774108-584108-585505(Top 19%)4429(Top 28%)4429(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2815

Males

2681

M18-39

2681

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3335

Males

3170

M18-39

3170

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2815

Males

2681

M18-39

2681

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2850

Males

2714

M18-39

2714

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2984

Males

2851

M18-39

2851

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3690

Males

3469

M18-39

3469

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5775

Males

5147

M18-39

5147

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6718

Males

5659

M18-39

5659

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6565

Males

5414

M18-39

5414

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

7250

Males

5834

M18-39

5834

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6807

Males

5474

M18-39

5474

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6807

Males

5406

M18-39

5406

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6697

Males

5254

M18-39

5254

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7092

Males

5382

M18-39

5382

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5505

Males

4429

M18-39

4429

Passing Analysis

Category:
Athletes Passed
1002
Passed By
1772
Net Change
-770
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3706
5K → 10K27767+210#3706#3496
10K → 15K28113+268#3496#3228
15K → 20K14824+124#3228#3104
20K → Half239+14#3104#3090
Half → 25K44126-82#3090#3172
25K → 30K38441-403#3172#3575
30K → 20M32185-153#3575#3728
20M → 21M24162-138#3728#3866
21M → 35K17129-112#3866#3978
35K → 23M32194-162#3978#4140
23M → 24M28132-104#4140#4244
24M → 40K20128-108#4244#4352
40K → 25.2M1461-47#4352#4399
25.2M → Finish24101-77#4399#4476
TOTALS10021772-770
📊

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