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BOSTON MARATHON 2023

Alice Tang

Bib: 26310•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
8:33/mi
26:34
↑ 97↓ 3451.5%
10K· 6.21 mi
8:12/mi
52:04
↑ 79↓ 1380.4%
15K· 9.32 mi
8:18/mi
1:17:51
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:44:14
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:49:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:34/mi
2:10:42
↑ 66↓ 880.2%
30K· 18.64 mi
8:51/mi
2:38:11
↑ 181↓ 1480.2%
20M
8:57/mi
2:50:21
↑ 64↓ 500.2%
21M
9:16/mi
2:59:37
↑ 106↓ 241.6%
35K· 21.75 mi
8:44/mi
3:06:09
↑ 17↓ 861.7%
23M
9:03/mi
3:17:29
↑ 23↓ 630.6%
24M
8:54/mi
3:26:23
↓ 821.3%
40K· 24.85 mi
8:59/mi
3:34:04
↓ 200.3%
25.2M
9:43/mi
3:37:25
↑ 13↓ 160.2%
Finish· 26.22 mi
8:37/mi
3:46:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:56
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time1:56:16
Pace8:52 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:0926:348:3326:34
8:33
-
10K
6.21 mi12:08:3952:048:2325:30
8:12
-0:21
15K
9.32 mi12:34:261:17:518:2125:47
8:18
+0:06
20K
12.43 mi13:00:491:44:148:2326:23
8:30
+0:12
Half
13.11 mi13:06:311:49:568:235:42
8:21
-0:09
25K
15.53 mi13:27:172:10:428:2520:46
8:34
+0:13
30K
18.64 mi13:54:462:38:118:2927:29
8:51
+0:17
20M
20.00 mi14:06:562:50:218:3112:10
8:57
+0:06
21M
21.00 mi14:16:122:59:378:339:16
9:16
+0:19
35K
21.75 mi14:22:443:06:098:346:32
8:44
-0:32
23M
23.00 mi14:34:043:17:298:3511:20
9:03
+0:19
24M
24.00 mi14:42:583:26:238:368:54
8:54
-0:09
40K
24.85 mi14:50:393:34:048:377:41
8:59
+0:05
25.2M
25.20 mi14:54:003:37:258:383:21
9:43
+0:44
Finish
26.22 mi15:02:473:46:128:388:47
8:37
-1:06

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

8:12 /mi

Average Pace

8:38 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:15

89% of race

Time at Steady Pace

20:36

9% of race

Time at Slower Pace

3:21

1% of race

Average Pace: 8:38 /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 mi11:43:0926:348:3326:34
8:33
#17918
10K
6.21 mi12:08:3952:048:2325:30
8:12
#17064
15K
9.32 mi12:34:261:17:518:2125:47
8:18
#16871
20K
12.43 mi13:00:491:44:148:2326:23
8:30
#16838
Half
13.11 mi13:06:311:49:568:235:42
8:21
#16857
25K
15.53 mi13:27:172:10:428:2520:46
8:34
#16827
30K
18.64 mi13:54:462:38:118:2927:29
8:51
#16690
20M
20.00 mi14:06:562:50:218:3112:10
8:57
#16650
21M
21.00 mi14:16:122:59:378:339:16
9:16
#16509
35K
21.75 mi14:22:443:06:098:346:32
8:44
#16510
23M
23.00 mi14:34:043:17:298:3511:20
9:03
#16504
24M
24.00 mi14:42:583:26:238:368:54
8:54
#16511
40K
24.85 mi14:50:393:34:048:377:41
8:59
#16473
25.2M
25.20 mi14:54:003:37:258:383:21
9:43
#16457
Finish
26.22 mi15:02:473:46:128:388:47
8:37
#16434
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi179186496649616541(Top 62%)5620(Top 49%)5620(Top 115%)
10K6.21 mi3.10 mi17064+8545958+5385958+53816320(Top 61%)5466(Top 48%)5466(Top 112%)
15K9.32 mi3.11 mi16871+1935838+1205838+12016541(Top 62%)5620(Top 49%)5620(Top 115%)
20K12.43 mi3.11 mi16838+335825+135825+1316802(Top 63%)5820(Top 51%)5820(Top 119%)
Half13.11 mi0.68 mi16857-195835-105835-1016880(Top 63%)5826(Top 51%)5826(Top 119%)
25K15.53 mi2.42 mi16827+305851-165851-1616601(Top 62%)5775(Top 51%)5775(Top 118%)
30K18.64 mi3.11 mi16690+1375793+585793+5816366(Top 61%)5710(Top 50%)5710(Top 117%)
20M20.00 mi1.36 mi16650+405781+125781+1216302(Top 61%)5751(Top 50%)5751(Top 118%)
21M21.00 mi1.00 mi16509+1415714+675714+6714847(Top 56%)4966(Top 43%)4966(Top 102%)
35K21.75 mi0.75 mi16510-15724-105724-1016608(Top 62%)6048(Top 53%)6048(Top 124%)
23M23.00 mi1.25 mi16504+65733-95733-916331(Top 61%)5931(Top 52%)5931(Top 121%)
24M24.00 mi1.00 mi16511-75753-205753-2016782(Top 63%)6238(Top 55%)6238(Top 128%)
40K24.85 mi0.85 mi16473+385757-45757-416087(Top 60%)5907(Top 52%)5907(Top 121%)
25.2M25.20 mi0.35 mi16457+165751+65751+616232(Top 61%)5999(Top 53%)5999(Top 123%)
Finish26.22 mi1.02 mi16434+235743+85743+816107(Top 61%)5879(Top 51%)5879(Top 120%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16541

Females

5620

F18-39

5620

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16320

Females

5466

F18-39

5466

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16541

Females

5620

F18-39

5620

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

16802

Females

5820

F18-39

5820

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

16880

Females

5826

F18-39

5826

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

16601

Females

5775

F18-39

5775

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

16366

Females

5710

F18-39

5710

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

16302

Females

5751

F18-39

5751

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

14847

Females

4966

F18-39

4966

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16608

Females

6048

F18-39

6048

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16331

Females

5931

F18-39

5931

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16782

Females

6238

F18-39

6238

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

16087

Females

5907

F18-39

5907

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16232

Females

5999

F18-39

5999

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

16107

Females

5879

F18-39

5879

Passing Analysis

Category:
Athletes Passed
2478
Passed By
994
Net Change
+1484
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17918
5K → 10K93884+854#17918#17064
10K → 15K309116+193#17064#16871
15K → 20K197164+33#16871#16838
20K → Half1837-19#16838#16857
Half → 25K135105+30#16857#16827
25K → 30K22790+137#16827#16690
30K → 20M10262+40#16690#16650
20M → 21M16726+141#16650#16509
21M → 35K4849-1#16509#16510
35K → 23M8983+6#16510#16504
23M → 24M5562-7#16504#16511
24M → 40K8547+38#16511#16473
40K → 25.2M3620+16#16473#16457
25.2M → Finish7249+23#16457#16434
TOTALS2478994+1484
📊

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