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BOSTON MARATHON 2023

Warren Isfan

Bib: 2320•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 19%
Masters (Masters Men)
#0 / 9891
Top 7%
Division (M50-54)
#0 / 2052
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:54
Rank: #3896
Start → 5K
20:54 | 6:44/mi
10K· 6.21 mi
41:27
Rank: #3692 (+204)
5K → 10K
20:33 | 6:37/mi
15K· 9.32 mi
1:01:57
Rank: #3524 (+168)
10K → 15K
20:30 | 6:36/mi
20K· 12.43 mi
1:22:34
Rank: #3406 (+118)
15K → 20K
20:37 | 6:38/mi
Half· 13.11 mi
1:27:05
Rank: #3414 (-8)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:43:19
Rank: #3363 (+51)
Half → 25K
16:14 | 6:42/mi
30K· 18.64 mi
2:04:31
Rank: #3278 (+85)
25K → 30K
21:12 | 6:49/mi
20M
2:13:42
Rank: #3186 (+92)
30K → 20M
9:11 | 6:45/mi
21M
2:20:50
Rank: #3132 (+54)
20M → 21M
7:08 | 7:08/mi
35K· 21.75 mi
2:25:41
Rank: #3086 (+46)
21M → 35K
4:51 | 6:29/mi
23M
2:34:09
Rank: #3009 (+77)
35K → 23M
8:28 | 6:46/mi
24M
2:40:52
Rank: #2994 (+15)
23M → 24M
6:43 | 6:43/mi
40K· 24.85 mi
2:46:46
Rank: #2971 (+23)
24M → 40K
5:54 | 6:54/mi
25.2M
2:49:19
Rank: #2965 (+6)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:56:19
Rank: #3003 (-38)
25.2M → Finish
7:00 | 6:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:05
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:29:14
Pace6:48 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5020:546:4420:54
6:44
-
10K
6.21 mi10:42:2341:276:4020:33
6:37
-0:07
15K
9.32 mi11:02:531:01:576:3920:30
6:36
-0:01
20K
12.43 mi11:23:301:22:346:3920:37
6:38
+0:02
Half
13.11 mi11:28:011:27:056:394:31
6:37
-0:01
25K
15.53 mi11:44:151:43:196:3916:14
6:42
+0:05
30K
18.64 mi12:05:272:04:316:4121:12
6:49
+0:07
20M
20.00 mi12:14:382:13:426:419:11
6:45
-0:04
21M
21.00 mi12:21:462:20:506:427:08
7:08
+0:23
35K
21.75 mi12:26:372:25:416:424:51
6:29
-0:39
23M
23.00 mi12:35:052:34:096:428:28
6:46
+0:17
24M
24.00 mi12:41:482:40:526:426:43
6:43
-0:03
40K
24.85 mi12:47:422:46:466:435:54
6:54
+0:11
25.2M
25.20 mi12:50:152:49:196:432:33
7:24
+0:30
Finish
26.22 mi12:57:152:56:196:447:00
6:52
-0:32

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

6:29 /mi

Average Pace

6:44 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:38

95% of race

Time at Steady Pace

9:41

5% of race

Time at Slower Pace

0:00

0% 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 mi10:21:5020:546:4420:54
6:44
#3896
10K
6.21 mi10:42:2341:276:4020:33
6:37
#3692
15K
9.32 mi11:02:531:01:576:3920:30
6:36
#3524
20K
12.43 mi11:23:301:22:346:3920:37
6:38
#3406
Half
13.11 mi11:28:011:27:056:394:31
6:37
#3414
25K
15.53 mi11:44:151:43:196:3916:14
6:42
#3363
30K
18.64 mi12:05:272:04:316:4121:12
6:49
#3278
20M
20.00 mi12:14:382:13:426:419:11
6:45
#3186
21M
21.00 mi12:21:462:20:506:427:08
7:08
#3132
35K
21.75 mi12:26:372:25:416:424:51
6:29
#3086
23M
23.00 mi12:35:052:34:096:428:28
6:46
#3009
24M
24.00 mi12:41:482:40:526:426:43
6:43
#2994
40K
24.85 mi12:47:422:46:466:435:54
6:54
#2971
25.2M
25.20 mi12:50:152:49:196:432:33
7:24
#2965
Finish
26.22 mi12:57:152:56:196:447:00
6:52
#3003
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi3896365736573276(Top 12%)3111(Top 20%)3111(Top 152%)
10K6.21 mi3.10 mi3692+2043482+1753482+1753593(Top 13%)3393(Top 22%)3393(Top 165%)
15K9.32 mi3.11 mi3524+1683334+1483334+1483276(Top 12%)3111(Top 20%)3111(Top 152%)
20K12.43 mi3.11 mi3406+1183231+1033231+1033074(Top 12%)2926(Top 19%)2926(Top 143%)
Half13.11 mi0.68 mi3414-83241-103241-103539(Top 13%)3347(Top 22%)3347(Top 163%)
25K15.53 mi2.42 mi3363+513197+443197+443318(Top 12%)3150(Top 21%)3150(Top 154%)
30K18.64 mi3.11 mi3278+853115+823115+823132(Top 12%)2952(Top 19%)2952(Top 144%)
20M20.00 mi1.36 mi3186+923027+883027+882580(Top 10%)2447(Top 16%)2447(Top 119%)
21M21.00 mi1.00 mi3132+542973+542973+542759(Top 10%)2593(Top 17%)2593(Top 126%)
35K21.75 mi0.75 mi3086+462930+432930+432343(Top 9%)2223(Top 15%)2223(Top 108%)
23M23.00 mi1.25 mi3009+772859+712859+712453(Top 9%)2305(Top 15%)2305(Top 112%)
24M24.00 mi1.00 mi2994+152844+152844+153186(Top 12%)2952(Top 19%)2952(Top 144%)
40K24.85 mi0.85 mi2971+232818+262818+263308(Top 12%)3024(Top 20%)3024(Top 147%)
25.2M25.20 mi0.35 mi2965+62810+82810+83355(Top 13%)3038(Top 20%)3038(Top 148%)
Finish26.22 mi1.02 mi3003-382843-332843-334427(Top 17%)3860(Top 25%)3860(Top 188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3276

Males

3111

M50-54

3111

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3593

Males

3393

M50-54

3393

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3276

Males

3111

M50-54

3111

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3074

Males

2926

M50-54

2926

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3539

Males

3347

M50-54

3347

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3318

Males

3150

M50-54

3150

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3132

Males

2952

M50-54

2952

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2580

Males

2447

M50-54

2447

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2759

Males

2593

M50-54

2593

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2343

Males

2223

M50-54

2223

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2453

Males

2305

M50-54

2305

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3186

Males

2952

M50-54

2952

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3308

Males

3024

M50-54

3024

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3355

Males

3038

M50-54

3038

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4427

Males

3860

M50-54

3860

Passing Analysis

Category:
Athletes Passed
1397
Passed By
504
Net Change
+893
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3896
5K → 10K332128+204#3896#3692
10K → 15K20537+168#3692#3524
15K → 20K14729+118#3524#3406
20K → Half1220-8#3406#3414
Half → 25K9342+51#3414#3363
25K → 30K13348+85#3363#3278
30K → 20M11321+92#3278#3186
20M → 21M7117+54#3186#3132
21M → 35K515+46#3132#3086
35K → 23M9417+77#3086#3009
23M → 24M4732+15#3009#2994
24M → 40K5027+23#2994#2971
40K → 25.2M2115+6#2971#2965
25.2M → Finish2866-38#2965#3003
TOTALS1397504+893
📊

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