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BOSTON MARATHON 2023

Stephanie Tang

Bib: 16363•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 38%
Masters (Masters Women)
#0 / 6539
Top 24%
Division (F40-44)
#0 / 1878
Top 44%
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
7:50/mi
24:19
↑ 97↓ 3451.5%
10K· 6.21 mi
7:50/mi
48:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:54/mi
1:13:12
↑ 67↓ 78
20K· 12.43 mi
7:58/mi
1:37:56
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:43:17
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:02:54
↑ 66↓ 880.2%
30K· 18.64 mi
8:23/mi
2:28:57
↑ 181↓ 1480.2%
20M
8:53/mi
2:41:01
↑ 64↓ 500.2%
21M
9:45/mi
2:50:46
↑ 106↓ 241.6%
35K· 21.75 mi
8:08/mi
2:56:51
↑ 17↓ 861.7%
23M
8:55/mi
3:08:01
↑ 23↓ 630.6%
24M
8:43/mi
3:16:44
↓ 821.3%
40K· 24.85 mi
8:56/mi
3:24:22
↓ 200.3%
25.2M
9:25/mi
3:27:37
↑ 13↓ 160.2%
Finish· 26.22 mi
8:27/mi
3:36:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:17
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:52:57
Pace8:37 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3724:197:5024:19
7:50
-
10K
6.21 mi11:38:5748:397:5024:20
7:50
0:00
15K
9.32 mi12:03:301:13:127:5124:33
7:54
+0:04
20K
12.43 mi12:28:141:37:567:5324:44
7:58
+0:04
Half
13.11 mi12:33:351:43:177:535:21
7:50
-0:08
25K
15.53 mi12:53:122:02:547:5519:37
8:05
+0:15
30K
18.64 mi13:19:152:28:577:5926:03
8:23
+0:18
20M
20.00 mi13:31:192:41:018:0312:04
8:53
+0:30
21M
21.00 mi13:41:042:50:468:089:45
9:45
+0:52
35K
21.75 mi13:47:092:56:518:086:05
8:08
-1:37
23M
23.00 mi13:58:193:08:018:1011:10
8:55
+0:47
24M
24.00 mi14:07:023:16:448:128:43
8:43
-0:12
40K
24.85 mi14:14:403:24:228:137:38
8:56
+0:13
25.2M
25.20 mi14:17:553:27:378:143:15
9:25
+0:29
Finish
26.22 mi14:26:323:36:148:158:37
8:27
-0:58

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

7:50 /mi

Average Pace

8:15 /mi

Slowest Pace

9:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:54

57% of race

Time at Steady Pace

40:45

19% of race

Time at Slower Pace

52:35

24% of race

Average Pace: 8:15 /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 mi11:14:3724:197:5024:19
7:50
#12642
10K
6.21 mi11:38:5748:397:5024:20
7:50
#12982
15K
9.32 mi12:03:301:13:127:5124:33
7:54
#13172
20K
12.43 mi12:28:141:37:567:5324:44
7:58
#13140
Half
13.11 mi12:33:351:43:177:535:21
7:50
#13119
25K
15.53 mi12:53:122:02:547:5519:37
8:05
#13159
30K
18.64 mi13:19:152:28:577:5926:03
8:23
#13217
20M
20.00 mi13:31:192:41:018:0312:04
8:53
#13435
21M
21.00 mi13:41:042:50:468:089:45
9:45
#13709
35K
21.75 mi13:47:092:56:518:086:05
8:08
#13665
23M
23.00 mi13:58:193:08:018:1011:10
8:55
#13773
24M
24.00 mi14:07:023:16:448:128:43
8:43
#13866
40K
24.85 mi14:14:403:24:228:137:38
8:56
#13909
25.2M
25.20 mi14:17:553:27:378:143:15
9:25
#13932
Finish
26.22 mi14:26:323:36:148:158:37
8:27
#13983
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi126423248324813577(Top 51%)3824(Top 33%)3824(Top 204%)
10K6.21 mi3.10 mi12982-3403440-1923440-19213424(Top 50%)3674(Top 32%)3674(Top 196%)
15K9.32 mi3.11 mi13172-1903566-1263566-12613577(Top 51%)3824(Top 33%)3824(Top 204%)
20K12.43 mi3.11 mi13140+323573-73573-713123(Top 49%)3616(Top 32%)3616(Top 193%)
Half13.11 mi0.68 mi13119+213555+183555+1813197(Top 50%)3631(Top 32%)3631(Top 193%)
25K15.53 mi2.42 mi13159-403588-333588-3313466(Top 51%)3905(Top 34%)3905(Top 208%)
30K18.64 mi3.11 mi13217-583680-923680-9213601(Top 51%)4091(Top 36%)4091(Top 218%)
20M20.00 mi1.36 mi13435-2183821-1413821-14115892(Top 60%)5499(Top 48%)5499(Top 293%)
21M21.00 mi1.00 mi13709-2743998-1773998-17717052(Top 64%)6215(Top 54%)6215(Top 331%)
35K21.75 mi0.75 mi13665+443986+123986+1213046(Top 49%)4032(Top 35%)4032(Top 215%)
23M23.00 mi1.25 mi13773-1084084-984084-9815633(Top 59%)5531(Top 48%)5531(Top 295%)
24M24.00 mi1.00 mi13866-934176-924176-9215754(Top 59%)5667(Top 50%)5667(Top 302%)
40K24.85 mi0.85 mi13909-434217-414217-4115768(Top 59%)5712(Top 50%)5712(Top 304%)
25.2M25.20 mi0.35 mi13932-234237-204237-2014846(Top 56%)5204(Top 46%)5204(Top 277%)
Finish26.22 mi1.02 mi13983-514284-474284-4715139(Top 57%)5328(Top 47%)5328(Top 284%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

13577

Females

3824

F40-44

3824

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13424

Females

3674

F40-44

3674

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

13577

Females

3824

F40-44

3824

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13123

Females

3616

F40-44

3616

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13197

Females

3631

F40-44

3631

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

13466

Females

3905

F40-44

3905

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

13601

Females

4091

F40-44

4091

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

15892

Females

5499

F40-44

5499

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

17052

Females

6215

F40-44

6215

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13046

Females

4032

F40-44

4032

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15633

Females

5531

F40-44

5531

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15754

Females

5667

F40-44

5667

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15768

Females

5712

F40-44

5712

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14846

Females

5204

F40-44

5204

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15139

Females

5328

F40-44

5328

Passing Analysis

Category:
Athletes Passed
1220
Passed By
2561
Net Change
-1341
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12642
5K → 10K172512-340#12642#12982
10K → 15K135325-190#12982#13172
15K → 20K194162+32#13172#13140
20K → Half5029+21#13140#13119
Half → 25K132172-40#13119#13159
25K → 30K176234-58#13159#13217
30K → 20M36254-218#13217#13435
20M → 21M35309-274#13435#13709
21M → 35K6723+44#13709#13665
35K → 23M57165-108#13665#13773
23M → 24M43136-93#13773#13866
24M → 40K5396-43#13866#13909
40K → 25.2M2649-23#13909#13932
25.2M → Finish4495-51#13932#13983
TOTALS12202561-1341
📊

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