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BOSTON MARATHON 2023

Sascha Felnagel

Bib: 12010•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 38%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 42%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:24
Rank: #12855
Start → 5K
24:24 | 7:51/mi
10K· 6.21 mi
47:23
Rank: #11140 (+1715)
5K → 10K
22:59 | 7:24/mi
15K· 9.32 mi
1:10:37
Rank: #10722 (+418)
10K → 15K
23:14 | 7:29/mi
20K· 12.43 mi
1:34:07
Rank: #10460 (+262)
15K → 20K
23:30 | 7:34/mi
Half· 13.11 mi
1:39:12
Rank: #10428 (+32)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:57:55
Rank: #10412 (+16)
Half → 25K
18:43 | 7:43/mi
30K· 18.64 mi
2:22:50
Rank: #10449 (-37)
25K → 30K
24:55 | 8:01/mi
20M
2:33:40
Rank: #10424 (+25)
30K → 20M
10:50 | 7:58/mi
21M
2:41:57
Rank: #10319 (+105)
20M → 21M
8:17 | 8:17/mi
35K· 21.75 mi
2:47:41
Rank: #10277 (+42)
21M → 35K
5:44 | 7:40/mi
23M
2:57:36
Rank: #10189 (+88)
35K → 23M
9:55 | 7:55/mi
24M
3:05:25
Rank: #10144 (+45)
23M → 24M
7:49 | 7:49/mi
40K· 24.85 mi
3:12:12
Rank: #10101 (+43)
24M → 40K
6:47 | 7:56/mi
25.2M
3:15:07
Rank: #10064 (+37)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:22:54
Rank: #10019 (+45)
25.2M → Finish
7:47 | 7:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:12
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:43:42
Pace7:55 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5024:247:5124:24
7:51
-
10K
6.21 mi11:14:4947:237:3822:59
7:24
-0:27
15K
9.32 mi11:38:031:10:377:3523:14
7:29
+0:05
20K
12.43 mi12:01:331:34:077:3423:30
7:34
+0:05
Half
13.11 mi12:06:381:39:127:345:05
7:27
-0:07
25K
15.53 mi12:25:211:57:557:3518:43
7:43
+0:16
30K
18.64 mi12:50:162:22:507:4024:55
8:01
+0:18
20M
20.00 mi13:01:062:33:407:4110:50
7:58
-0:03
21M
21.00 mi13:09:232:41:577:438:17
8:17
+0:19
35K
21.75 mi13:15:072:47:417:435:44
7:40
-0:37
23M
23.00 mi13:25:022:57:367:439:55
7:55
+0:15
24M
24.00 mi13:32:513:05:257:447:49
7:49
-0:06
40K
24.85 mi13:39:383:12:127:446:47
7:56
+0:07
25.2M
25.20 mi13:42:333:15:077:452:55
8:27
+0:31
Finish
26.22 mi13:50:203:22:547:457:47
7:38
-0:49

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

7:24 /mi

Average Pace

7:45 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:42

94% of race

Time at Steady Pace

11:12

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /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 mi10:51:5024:247:5124:24
7:51
#12855
10K
6.21 mi11:14:4947:237:3822:59
7:24
#11140
15K
9.32 mi11:38:031:10:377:3523:14
7:29
#10722
20K
12.43 mi12:01:331:34:077:3423:30
7:34
#10460
Half
13.11 mi12:06:381:39:127:345:05
7:27
#10428
25K
15.53 mi12:25:211:57:557:3518:43
7:43
#10412
30K
18.64 mi12:50:162:22:507:4024:55
8:01
#10449
20M
20.00 mi13:01:062:33:407:4110:50
7:58
#10424
21M
21.00 mi13:09:232:41:577:438:17
8:17
#10319
35K
21.75 mi13:15:072:47:417:435:44
7:40
#10277
23M
23.00 mi13:25:022:57:367:439:55
7:55
#10189
24M
24.00 mi13:32:513:05:257:447:49
7:49
#10144
40K
24.85 mi13:39:383:12:127:446:47
7:56
#10101
25.2M
25.20 mi13:42:333:15:077:452:55
8:27
#10064
Finish
26.22 mi13:50:203:22:547:457:47
7:38
#10019
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi12855947794779993(Top 38%)8145(Top 54%)8145(Top 362%)
10K6.21 mi3.10 mi11140+17158724+7538724+7539602(Top 36%)7930(Top 52%)7930(Top 352%)
15K9.32 mi3.11 mi10722+4188525+1998525+1999993(Top 38%)8145(Top 54%)8145(Top 362%)
20K12.43 mi3.11 mi10460+2628396+1298396+1299803(Top 37%)7964(Top 52%)7964(Top 354%)
Half13.11 mi0.68 mi10428+328372+248372+249788(Top 37%)7981(Top 53%)7981(Top 354%)
25K15.53 mi2.42 mi10412+168346+268346+2610434(Top 39%)8218(Top 54%)8218(Top 365%)
30K18.64 mi3.11 mi10449-378312+348312+3411045(Top 41%)8363(Top 55%)8363(Top 371%)
20M20.00 mi1.36 mi10424+258278+348278+3410046(Top 38%)7779(Top 51%)7779(Top 345%)
21M21.00 mi1.00 mi10319+1058196+828196+829128(Top 34%)7143(Top 47%)7143(Top 317%)
35K21.75 mi0.75 mi10277+428163+338163+339680(Top 36%)7452(Top 49%)7452(Top 331%)
23M23.00 mi1.25 mi10189+888082+818082+819203(Top 35%)7071(Top 47%)7071(Top 314%)
24M24.00 mi1.00 mi10144+458034+488034+489899(Top 37%)7345(Top 48%)7345(Top 326%)
40K24.85 mi0.85 mi10101+437982+527982+529571(Top 36%)7118(Top 47%)7118(Top 316%)
25.2M25.20 mi0.35 mi10064+377948+347948+349211(Top 35%)6871(Top 45%)6871(Top 305%)
Finish26.22 mi1.02 mi10019+457903+457903+459528(Top 36%)7034(Top 46%)7034(Top 312%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

9993

Males

8145

M45-49

8145

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9602

Males

7930

M45-49

7930

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

9993

Males

8145

M45-49

8145

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9803

Males

7964

M45-49

7964

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9788

Males

7981

M45-49

7981

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10434

Males

8218

M45-49

8218

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

11045

Males

8363

M45-49

8363

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10046

Males

7779

M45-49

7779

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9128

Males

7143

M45-49

7143

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

9680

Males

7452

M45-49

7452

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9203

Males

7071

M45-49

7071

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

9899

Males

7345

M45-49

7345

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9571

Males

7118

M45-49

7118

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9211

Males

6871

M45-49

6871

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

9528

Males

7034

M45-49

7034

Passing Analysis

Category:
Athletes Passed
3599*
Passed By
763
Net Change
+2836
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12855
5K → 10K173722+1715#12855#11140
10K → 15K45638+418#11140#10722
15K → 20K31553+262#10722#10460
20K → Half5119+32#10460#10428
Half → 25K147131+16#10428#10412
25K → 30K157194-37#10412#10449
30K → 20M83*58+25#10449#10424
20M → 21M14035+105#10424#10319
21M → 35K6826+42#10319#10277
35K → 23M12032+88#10277#10189
23M → 24M9348+45#10189#10144
24M → 40K8643+43#10144#10101
40K → 25.2M51*14+37#10101#10064
25.2M → Finish9550+45#10064#10019
TOTALS3599*763+2836

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

📊

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