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BOSTON MARATHON 2023

Phillip Spronz

Bib: 4541•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 19%
Division (M18-39)
#0 / 5285
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:15
Rank: #5032
Start → 5K
21:15 | 6:50/mi
10K· 6.21 mi
41:26
Rank: #3673 (+1359)
5K → 10K
20:11 | 6:30/mi
15K· 9.32 mi
1:01:05
Rank: #2843 (+830)
10K → 15K
19:39 | 6:19/mi
20K· 12.43 mi
1:20:47
Rank: #2454 (+389)
15K → 20K
19:42 | 6:20/mi
Half· 13.11 mi
1:25:00
Rank: #2384 (+70)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:40:11
Rank: #2134 (+250)
Half → 25K
15:11 | 6:16/mi
30K· 18.64 mi
2:00:16
Rank: #1974 (+160)
25K → 30K
20:05 | 6:28/mi
20M
2:09:43
Rank: #2075 (-101)
30K → 20M
9:27 | 6:57/mi
21M
2:17:26
Rank: #2234 (-159)
20M → 21M
7:43 | 7:43/mi
35K· 21.75 mi
2:22:31
Rank: #2264 (-30)
21M → 35K
5:05 | 6:48/mi
23M
2:31:34
Rank: #2363 (-99)
35K → 23M
9:03 | 7:14/mi
24M
2:38:42
Rank: #2433 (-70)
23M → 24M
7:08 | 7:08/mi
40K· 24.85 mi
2:45:15
Rank: #2592 (-159)
24M → 40K
6:33 | 7:40/mi
25.2M
2:48:08
Rank: #2669 (-77)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
2:56:11
Rank: #2972 (-303)
25.2M → Finish
8:03 | 7:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:00
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:31:11
Pace6:57 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0621:156:5021:15
6:50
-
10K
6.21 mi10:43:1741:266:4020:11
6:30
-0:20
15K
9.32 mi11:02:561:01:056:3319:39
6:19
-0:11
20K
12.43 mi11:22:381:20:476:3019:42
6:20
+0:01
Half
13.11 mi11:26:511:25:006:294:13
6:11
-0:09
25K
15.53 mi11:42:021:40:116:2715:11
6:16
+0:05
30K
18.64 mi12:02:072:00:166:2720:05
6:28
+0:12
20M
20.00 mi12:11:342:09:436:299:27
6:57
+0:29
21M
21.00 mi12:19:172:17:266:337:43
7:43
+0:46
35K
21.75 mi12:24:222:22:316:335:05
6:48
-0:55
23M
23.00 mi12:33:252:31:346:359:03
7:14
+0:26
24M
24.00 mi12:40:332:38:426:377:08
7:08
-0:06
40K
24.85 mi12:47:062:45:156:396:33
7:40
+0:32
25.2M
25.20 mi12:49:592:48:086:402:53
8:22
+0:42
Finish
26.22 mi12:58:022:56:116:438:03
7:54
-0:28

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

6:11 /mi

Average Pace

6:43 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:01

56% of race

Time at Steady Pace

42:55

24% of race

Time at Slower Pace

34:15

19% of race

Average Pace: 6:43 /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 mi10:23:0621:156:5021:15
6:50
#5032
10K
6.21 mi10:43:1741:266:4020:11
6:30
#3673
15K
9.32 mi11:02:561:01:056:3319:39
6:19
#2843
20K
12.43 mi11:22:381:20:476:3019:42
6:20
#2454
Half
13.11 mi11:26:511:25:006:294:13
6:11
#2384
25K
15.53 mi11:42:021:40:116:2715:11
6:16
#2134
30K
18.64 mi12:02:072:00:166:2720:05
6:28
#1974
20M
20.00 mi12:11:342:09:436:299:27
6:57
#2075
21M
21.00 mi12:19:172:17:266:337:43
7:43
#2234
35K
21.75 mi12:24:222:22:316:335:05
6:48
#2264
23M
23.00 mi12:33:252:31:346:359:03
7:14
#2363
24M
24.00 mi12:40:332:38:426:377:08
7:08
#2433
40K
24.85 mi12:47:062:45:156:396:33
7:40
#2592
25.2M
25.20 mi12:49:592:48:086:402:53
8:22
#2669
Finish
26.22 mi12:58:022:56:116:438:03
7:54
#2972
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5032466746671765(Top 7%)1691(Top 11%)1691(Top 32%)
10K6.21 mi3.10 mi3673+13593463+12043463+12042761(Top 10%)2639(Top 17%)2639(Top 50%)
15K9.32 mi3.11 mi2843+8302714+7492714+7491765(Top 7%)1691(Top 11%)1691(Top 32%)
20K12.43 mi3.11 mi2454+3892351+3632351+3631576(Top 6%)1507(Top 10%)1507(Top 29%)
Half13.11 mi0.68 mi2384+702285+662285+661325(Top 5%)1273(Top 8%)1273(Top 24%)
25K15.53 mi2.42 mi2134+2502047+2382047+2381200(Top 5%)1146(Top 8%)1146(Top 22%)
30K18.64 mi3.11 mi1974+1601891+1561891+1561439(Top 5%)1377(Top 9%)1377(Top 26%)
20M20.00 mi1.36 mi2075-1011989-981989-983711(Top 14%)3455(Top 23%)3455(Top 65%)
21M21.00 mi1.00 mi2234-1592142-1532142-1535679(Top 21%)4951(Top 33%)4951(Top 94%)
35K21.75 mi0.75 mi2264-302169-272169-274107(Top 15%)3757(Top 25%)3757(Top 71%)
23M23.00 mi1.25 mi2363-992262-932262-934915(Top 18%)4398(Top 29%)4398(Top 83%)
24M24.00 mi1.00 mi2433-702328-662328-665339(Top 20%)4664(Top 31%)4664(Top 88%)
40K24.85 mi0.85 mi2592-1592475-1472475-1477627(Top 29%)5991(Top 39%)5991(Top 113%)
25.2M25.20 mi0.35 mi2669-772544-692544-698547(Top 32%)6448(Top 42%)6448(Top 122%)
Finish26.22 mi1.02 mi2972-3032814-2702814-27011348(Top 43%)7950(Top 52%)7950(Top 150%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1765

Males

1691

M18-39

1691

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2761

Males

2639

M18-39

2639

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1765

Males

1691

M18-39

1691

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1576

Males

1507

M18-39

1507

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1325

Males

1273

M18-39

1273

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1200

Males

1146

M18-39

1146

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1439

Males

1377

M18-39

1377

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3711

Males

3455

M18-39

3455

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5679

Males

4951

M18-39

4951

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4107

Males

3757

M18-39

3757

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4915

Males

4398

M18-39

4398

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5339

Males

4664

M18-39

4664

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7627

Males

5991

M18-39

5991

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8547

Males

6448

M18-39

6448

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

11348

Males

7950

M18-39

7950

Passing Analysis

Category:
Athletes Passed
3145
Passed By
1085
Net Change
+2060
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5032
5K → 10K13678+1359#5032#3673
10K → 15K8300+830#3673#2843
15K → 20K3890+389#2843#2454
20K → Half711+70#2454#2384
Half → 25K2511+250#2384#2134
25K → 30K17212+160#2134#1974
30K → 20M13114-101#1974#2075
20M → 21M5164-159#2075#2234
21M → 35K1343-30#2234#2264
35K → 23M13112-99#2264#2363
23M → 24M1080-70#2363#2433
24M → 40K5164-159#2433#2592
40K → 25.2M279-77#2592#2669
25.2M → Finish4307-303#2669#2972
TOTALS31451085+2060
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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