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BOSTON MARATHON 2023

Bui Van Da

Bib: 2561•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Masters (Masters Men)
#0 / 9891
Top 11%
Division (M45-49)
#0 / 2252
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:01
Rank: #6776
Start → 5K
22:01 | 7:05/mi
10K· 6.21 mi
42:10
Rank: #4840 (+1936)
5K → 10K
20:09 | 6:29/mi
15K· 9.32 mi
1:01:51
Rank: #3448 (+1392)
10K → 15K
19:41 | 6:20/mi
20K· 12.43 mi
1:21:38
Rank: #2860 (+588)
15K → 20K
19:47 | 6:22/mi
Half· 13.11 mi
1:25:52
Rank: #2752 (+108)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:41:18
Rank: #2523 (+229)
Half → 25K
15:26 | 6:22/mi
30K· 18.64 mi
2:02:09
Rank: #2492 (+31)
25K → 30K
20:51 | 6:43/mi
20M
2:11:32
Rank: #2521 (-29)
30K → 20M
9:23 | 6:54/mi
21M
2:19:18
Rank: #2645 (-124)
20M → 21M
7:46 | 7:46/mi
35K· 21.75 mi
2:24:23
Rank: #2672 (-27)
21M → 35K
5:05 | 6:48/mi
23M
2:33:45
Rank: #2881 (-209)
35K → 23M
9:22 | 7:29/mi
24M
2:41:01
Rank: #3037 (-156)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
2:47:46
Rank: #3270 (-233)
24M → 40K
6:45 | 7:54/mi
25.2M
2:50:53
Rank: #3435 (-165)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
2:58:47
Rank: #3774 (-339)
25.2M → Finish
7:54 | 7:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:52
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:32:55
Pace7:05 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3422:017:0522:01
7:05
-
10K
6.21 mi10:42:4342:106:4720:09
6:29
-0:36
15K
9.32 mi11:02:241:01:516:3819:41
6:20
-0:09
20K
12.43 mi11:22:111:21:386:3419:47
6:22
+0:02
Half
13.11 mi11:26:251:25:526:334:14
6:12
-0:10
25K
15.53 mi11:41:511:41:186:3115:26
6:22
+0:10
30K
18.64 mi12:02:422:02:096:3320:51
6:43
+0:21
20M
20.00 mi12:12:052:11:326:359:23
6:54
+0:11
21M
21.00 mi12:19:512:19:186:387:46
7:46
+0:52
35K
21.75 mi12:24:562:24:236:385:05
6:48
-0:58
23M
23.00 mi12:34:182:33:456:419:22
7:29
+0:41
24M
24.00 mi12:41:342:41:016:437:16
7:16
-0:13
40K
24.85 mi12:48:192:47:466:456:45
7:54
+0:38
25.2M
25.20 mi12:51:262:50:536:473:07
9:02
+1:08
Finish
26.22 mi12:59:202:58:476:497:54
7:45
-1:17

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

6:12 /mi

Average Pace

6:49 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:17

44% of race

Time at Steady Pace

1:04:36

36% of race

Time at Slower Pace

34:54

20% of race

Average Pace: 6:49 /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 mi10:22:3422:017:0522:01
7:05
#6776
10K
6.21 mi10:42:4342:106:4720:09
6:29
#4840
15K
9.32 mi11:02:241:01:516:3819:41
6:20
#3448
20K
12.43 mi11:22:111:21:386:3419:47
6:22
#2860
Half
13.11 mi11:26:251:25:526:334:14
6:12
#2752
25K
15.53 mi11:41:511:41:186:3115:26
6:22
#2523
30K
18.64 mi12:02:422:02:096:3320:51
6:43
#2492
20M
20.00 mi12:12:052:11:326:359:23
6:54
#2521
21M
21.00 mi12:19:512:19:186:387:46
7:46
#2645
35K
21.75 mi12:24:562:24:236:385:05
6:48
#2672
23M
23.00 mi12:34:182:33:456:419:22
7:29
#2881
24M
24.00 mi12:41:342:41:016:437:16
7:16
#3037
40K
24.85 mi12:48:192:47:466:456:45
7:54
#3270
25.2M
25.20 mi12:51:262:50:536:473:07
9:02
#3435
Finish
26.22 mi12:59:202:58:476:497:54
7:45
#3774
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6776610061001817(Top 7%)1740(Top 11%)1740(Top 77%)
10K6.21 mi3.10 mi4840+19364499+16014499+16012709(Top 10%)2591(Top 17%)2591(Top 115%)
15K9.32 mi3.11 mi3448+13923266+12333266+12331817(Top 7%)1740(Top 11%)1740(Top 77%)
20K12.43 mi3.11 mi2860+5882733+5332733+5331677(Top 6%)1606(Top 11%)1606(Top 71%)
Half13.11 mi0.68 mi2752+1082631+1022631+1021431(Top 5%)1371(Top 9%)1371(Top 61%)
25K15.53 mi2.42 mi2523+2292416+2152416+2151594(Top 6%)1528(Top 10%)1528(Top 68%)
30K18.64 mi3.11 mi2492+312385+312385+312468(Top 9%)2350(Top 15%)2350(Top 104%)
20M20.00 mi1.36 mi2521-292412-272412-273461(Top 13%)3233(Top 21%)3233(Top 144%)
21M21.00 mi1.00 mi2645-1242527-1152527-1155954(Top 22%)5152(Top 34%)5152(Top 229%)
35K21.75 mi0.75 mi2672-272555-282555-284137(Top 16%)3787(Top 25%)3787(Top 168%)
23M23.00 mi1.25 mi2881-2092741-1862741-1866285(Top 24%)5357(Top 35%)5357(Top 238%)
24M24.00 mi1.00 mi3037-1562883-1422883-1426107(Top 23%)5154(Top 34%)5154(Top 229%)
40K24.85 mi0.85 mi3270-2333094-2113094-2119246(Top 35%)6932(Top 46%)6932(Top 308%)
25.2M25.20 mi0.35 mi3435-1653245-1513245-15112625(Top 47%)8538(Top 56%)8538(Top 379%)
Finish26.22 mi1.02 mi3774-3393542-2973542-29710269(Top 39%)7414(Top 49%)7414(Top 329%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1817

Males

1740

M45-49

1740

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2709

Males

2591

M45-49

2591

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1817

Males

1740

M45-49

1740

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1677

Males

1606

M45-49

1606

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1431

Males

1371

M45-49

1371

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1594

Males

1528

M45-49

1528

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2468

Males

2350

M45-49

2350

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3461

Males

3233

M45-49

3233

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5954

Males

5152

M45-49

5152

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4137

Males

3787

M45-49

3787

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6285

Males

5357

M45-49

5357

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6107

Males

5154

M45-49

5154

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9246

Males

6932

M45-49

6932

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12625

Males

8538

M45-49

8538

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

10269

Males

7414

M45-49

7414

Passing Analysis

Category:
Athletes Passed
4420
Passed By
1418
Net Change
+3002
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6776
5K → 10K19371+1936#6776#4840
10K → 15K13920+1392#4840#3448
15K → 20K5880+588#3448#2860
20K → Half1080+108#2860#2752
Half → 25K2301+229#2752#2523
25K → 30K8049+31#2523#2492
30K → 20M2655-29#2492#2521
20M → 21M8132-124#2521#2645
21M → 35K1744-27#2645#2672
35K → 23M14223-209#2672#2881
23M → 24M7163-156#2881#3037
24M → 40K7240-233#3037#3270
40K → 25.2M1166-165#3270#3435
25.2M → Finish5344-339#3435#3774
TOTALS44201418+3002
📊

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