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BOSTON MARATHON 2023

Mark Fung

Bib: 10223•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 25%
Gender (Male)
#0 / 15176
Top 38%
Masters (Masters Men)
#0 / 9891
Top 24%
Division (M45-49)
#0 / 2252
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:15/mi
22:33
↑ 97↓ 3451.5%
10K· 6.21 mi
7:08/mi
44:42
↑ 79↓ 1380.4%
15K· 9.32 mi
7:12/mi
1:07:04
↑ 67↓ 78
20K· 12.43 mi
7:18/mi
1:29:45
↑ 106↓ 860.1%
Half· 13.11 mi
7:09/mi
1:34:38
↑ 19↓ 370.5%
25K· 15.53 mi
7:16/mi
1:52:15
↑ 66↓ 880.2%
30K· 18.64 mi
7:27/mi
2:15:25
↑ 181↓ 1480.2%
20M
7:22/mi
2:25:25
↑ 64↓ 500.2%
21M
7:44/mi
2:33:09
↑ 106↓ 241.6%
35K· 21.75 mi
7:00/mi
2:38:23
↑ 17↓ 861.7%
23M
7:12/mi
2:47:24
↑ 23↓ 630.6%
24M
7:06/mi
2:54:30
↓ 821.3%
40K· 24.85 mi
7:16/mi
3:00:43
↓ 200.3%
25.2M
7:56/mi
3:03:27
↑ 13↓ 160.2%
Finish· 26.22 mi
7:04/mi
3:10:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:38
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:36:01
Pace7:19 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5622:337:1522:33
7:15
-
10K
6.21 mi11:11:0544:427:1222:09
7:08
-0:07
15K
9.32 mi11:33:271:07:047:1222:22
7:12
+0:04
20K
12.43 mi11:56:081:29:457:1322:41
7:18
+0:06
Half
13.11 mi12:01:011:34:387:134:53
7:09
-0:09
25K
15.53 mi12:18:381:52:157:1417:37
7:16
+0:07
30K
18.64 mi12:41:482:15:257:1623:10
7:27
+0:11
20M
20.00 mi12:51:482:25:257:1610:00
7:22
-0:05
21M
21.00 mi12:59:322:33:097:187:44
7:44
+0:22
35K
21.75 mi13:04:462:38:237:175:14
7:00
-0:44
23M
23.00 mi13:13:472:47:247:179:01
7:12
+0:12
24M
24.00 mi13:20:532:54:307:167:06
7:06
-0:06
40K
24.85 mi13:27:063:00:437:166:13
7:16
+0:10
25.2M
25.20 mi13:29:503:03:277:172:44
7:56
+0:40
Finish
26.22 mi13:37:023:10:397:177:12
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

7:00 /mi

Average Pace

7:17 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:11

95% of race

Time at Steady Pace

10:28

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:16 /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 mi10:48:5622:337:1522:33
7:15
#7836
10K
6.21 mi11:11:0544:427:1222:09
7:08
#7722
15K
9.32 mi11:33:271:07:047:1222:22
7:12
#7717
20K
12.43 mi11:56:081:29:457:1322:41
7:18
#7703
Half
13.11 mi12:01:011:34:387:134:53
7:09
#7689
25K
15.53 mi12:18:381:52:157:1417:37
7:16
#7550
30K
18.64 mi12:41:482:15:257:1623:10
7:27
#7381
20M
20.00 mi12:51:482:25:257:1610:00
7:22
#7256
21M
21.00 mi12:59:322:33:097:187:44
7:44
#7129
35K
21.75 mi13:04:462:38:237:175:14
7:00
#7045
23M
23.00 mi13:13:472:47:247:179:01
7:12
#6853
24M
24.00 mi13:20:532:54:307:167:06
7:06
#6760
40K
24.85 mi13:27:063:00:437:166:13
7:16
#6664
25.2M
25.20 mi13:29:503:03:277:172:44
7:56
#6644
Finish
26.22 mi13:37:023:10:397:177:12
7:04
#6560
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7836686268627777(Top 29%)6770(Top 45%)6770(Top 301%)
10K6.21 mi3.10 mi7722+1146788+746788+747607(Top 29%)6678(Top 44%)6678(Top 297%)
15K9.32 mi3.11 mi7717+56771+176771+177777(Top 29%)6770(Top 45%)6770(Top 301%)
20K12.43 mi3.11 mi7703+146745+266745+267774(Top 29%)6737(Top 44%)6737(Top 299%)
Half13.11 mi0.68 mi7689+146735+106735+107501(Top 28%)6560(Top 43%)6560(Top 291%)
25K15.53 mi2.42 mi7550+1396628+1076628+1077045(Top 26%)6185(Top 41%)6185(Top 275%)
30K18.64 mi3.11 mi7381+1696486+1426486+1426926(Top 26%)6010(Top 40%)6010(Top 267%)
20M20.00 mi1.36 mi7256+1256382+1046382+1045967(Top 22%)5267(Top 35%)5267(Top 234%)
21M21.00 mi1.00 mi7129+1276286+966286+965805(Top 22%)5057(Top 33%)5057(Top 225%)
35K21.75 mi0.75 mi7045+846215+716215+715330(Top 20%)4758(Top 31%)4758(Top 211%)
23M23.00 mi1.25 mi6853+1926055+1606055+1604799(Top 18%)4315(Top 28%)4315(Top 192%)
24M24.00 mi1.00 mi6760+935970+855970+855206(Top 20%)4579(Top 30%)4579(Top 203%)
40K24.85 mi0.85 mi6664+965883+875883+875251(Top 20%)4512(Top 30%)4512(Top 200%)
25.2M25.20 mi0.35 mi6644+205858+255858+256046(Top 23%)4977(Top 33%)4977(Top 221%)
Finish26.22 mi1.02 mi6560+845788+705788+705607(Top 21%)4661(Top 31%)4661(Top 207%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

7777

Males

6770

M45-49

6770

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

7607

Males

6678

M45-49

6678

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

7777

Males

6770

M45-49

6770

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7774

Males

6737

M45-49

6737

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7501

Males

6560

M45-49

6560

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

7045

Males

6185

M45-49

6185

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

6926

Males

6010

M45-49

6010

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

5967

Males

5267

M45-49

5267

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

5805

Males

5057

M45-49

5057

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5330

Males

4758

M45-49

4758

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

4799

Males

4315

M45-49

4315

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5206

Males

4579

M45-49

4579

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5251

Males

4512

M45-49

4512

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6046

Males

4977

M45-49

4977

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5607

Males

4661

M45-49

4661

Passing Analysis

Category:
Athletes Passed
1877
Passed By
601
Net Change
+1276
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7836
5K → 10K286172+114#7836#7722
10K → 15K139134+5#7722#7717
15K → 20K121107+14#7717#7703
20K → Half3016+14#7703#7689
Half → 25K17031+139#7689#7550
25K → 30K22253+169#7550#7381
30K → 20M1349+125#7381#7256
20M → 21M1336+127#7256#7129
21M → 35K928+84#7129#7045
35K → 23M1964+192#7045#6853
23M → 24M11118+93#6853#6760
24M → 40K10913+96#6760#6664
40K → 25.2M3515+20#6664#6644
25.2M → Finish9915+84#6644#6560
TOTALS1877601+1276
📊

Passing Visuals

Category:
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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