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BOSTON MARATHON 2023

Amanda Chann

Bib: 21878•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 45%
Masters (Masters Women)
#0 / 6539
Top 33%
Division (F45-49)
#0 / 1817
Top 38%
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
8:48/mi
27:19
↑ 97↓ 3451.5%
10K· 6.21 mi
8:06/mi
52:28
↑ 79↓ 1380.4%
15K· 9.32 mi
8:36/mi
1:19:11
↑ 67↓ 78
20K· 12.43 mi
8:14/mi
1:44:45
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:50:18
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:10:18
↑ 66↓ 880.2%
30K· 18.64 mi
8:30/mi
2:36:44
↑ 181↓ 1480.2%
20M
8:32/mi
2:48:20
↑ 64↓ 500.2%
21M
9:23/mi
2:57:43
↑ 106↓ 241.6%
35K· 21.75 mi
8:12/mi
3:03:51
↑ 17↓ 861.7%
23M
8:40/mi
3:14:42
↑ 23↓ 630.6%
24M
8:17/mi
3:22:59
↓ 821.3%
40K· 24.85 mi
8:23/mi
3:30:09
↓ 200.3%
25.2M
9:14/mi
3:33:20
↑ 13↓ 160.2%
Finish· 26.22 mi
8:09/mi
3:41:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:50:18
Pace8:25 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:51:20
Pace8:30 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5927:198:4827:19
8:48
-
10K
6.21 mi12:14:0852:288:2725:09
8:06
-0:42
15K
9.32 mi12:40:511:19:118:3026:43
8:36
+0:30
20K
12.43 mi13:06:251:44:458:2625:34
8:14
-0:22
Half
13.11 mi13:11:581:50:188:255:33
8:08
-0:06
25K
15.53 mi13:31:582:10:188:2320:00
8:15
+0:07
30K
18.64 mi13:58:242:36:448:2426:26
8:30
+0:15
20M
20.00 mi14:10:002:48:208:2511:36
8:32
+0:02
21M
21.00 mi14:19:232:57:438:289:23
9:23
+0:51
35K
21.75 mi14:25:313:03:518:276:08
8:12
-1:11
23M
23.00 mi14:36:223:14:428:2810:51
8:40
+0:28
24M
24.00 mi14:44:393:22:598:278:17
8:17
-0:23
40K
24.85 mi14:51:493:30:098:277:10
8:23
+0:06
25.2M
25.20 mi14:55:003:33:208:283:11
9:14
+0:51
Finish
26.22 mi15:03:183:41:388:288:18
8:09
-1:05

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

8:06 /mi

Average Pace

8:28 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:29:04

94% of race

Time at Steady Pace

12:34

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:27 /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 mi11:48:5927:198:4827:19
8:48
#19416
10K
6.21 mi12:14:0852:288:2725:09
8:06
#17496
15K
9.32 mi12:40:511:19:118:3026:43
8:36
#17829
20K
12.43 mi13:06:251:44:458:2625:34
8:14
#17140
Half
13.11 mi13:11:581:50:188:255:33
8:08
#17039
25K
15.53 mi13:31:582:10:188:2320:00
8:15
#16655
30K
18.64 mi13:58:242:36:448:2426:26
8:30
#16204
20M
20.00 mi14:10:002:48:208:2511:36
8:32
#16012
21M
21.00 mi14:19:232:57:438:289:23
9:23
#15951
35K
21.75 mi14:25:313:03:518:276:08
8:12
#15821
23M
23.00 mi14:36:223:14:428:2810:51
8:40
#15710
24M
24.00 mi14:44:393:22:598:278:17
8:17
#15585
40K
24.85 mi14:51:493:30:098:277:10
8:23
#15492
25.2M
25.20 mi14:55:003:33:208:283:11
9:14
#15457
Finish
26.22 mi15:03:183:41:388:288:18
8:09
#15349
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi194167450745018439(Top 69%)6754(Top 59%)6754(Top 372%)
10K6.21 mi3.10 mi17496+19206221+12296221+122915497(Top 58%)4960(Top 43%)4960(Top 273%)
15K9.32 mi3.11 mi17829-3336419-1986419-19818439(Top 69%)6754(Top 59%)6754(Top 372%)
20K12.43 mi3.11 mi17140+6896014+4056014+40515161(Top 57%)4812(Top 42%)4812(Top 265%)
Half13.11 mi0.68 mi17039+1015954+605954+6015389(Top 58%)4923(Top 43%)4923(Top 271%)
25K15.53 mi2.42 mi16655+3845733+2215733+22114604(Top 55%)4592(Top 40%)4592(Top 253%)
30K18.64 mi3.11 mi16204+4515500+2335500+23314385(Top 54%)4561(Top 40%)4561(Top 251%)
20M20.00 mi1.36 mi16012+1925398+1025398+10213881(Top 52%)4350(Top 38%)4350(Top 239%)
21M21.00 mi1.00 mi15951+615387+115387+1115418(Top 58%)5295(Top 46%)5295(Top 291%)
35K21.75 mi0.75 mi15821+1305327+605327+6013497(Top 51%)4296(Top 38%)4296(Top 236%)
23M23.00 mi1.25 mi15710+1115290+375290+3714198(Top 53%)4728(Top 41%)4728(Top 260%)
24M24.00 mi1.00 mi15585+1255235+555235+5513199(Top 50%)4237(Top 37%)4237(Top 233%)
40K24.85 mi0.85 mi15492+935189+465189+4612644(Top 47%)4036(Top 35%)4036(Top 222%)
25.2M25.20 mi0.35 mi15457+355170+195170+1913883(Top 52%)4694(Top 41%)4694(Top 258%)
Finish26.22 mi1.02 mi15349+1085118+525118+5213107(Top 49%)4276(Top 37%)4276(Top 235%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

18439

Females

6754

F45-49

6754

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15497

Females

4960

F45-49

4960

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

18439

Females

6754

F45-49

6754

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

15161

Females

4812

F45-49

4812

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15389

Females

4923

F45-49

4923

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

14604

Females

4592

F45-49

4592

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

14385

Females

4561

F45-49

4561

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13881

Females

4350

F45-49

4350

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15418

Females

5295

F45-49

5295

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13497

Females

4296

F45-49

4296

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

14198

Females

4728

F45-49

4728

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

13199

Females

4237

F45-49

4237

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12644

Females

4036

F45-49

4036

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13883

Females

4694

F45-49

4694

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13107

Females

4276

F45-49

4276

Passing Analysis

Category:
Athletes Passed
4701
Passed By
634
Net Change
+4067
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19416
5K → 10K194020+1920#19416#17496
10K → 15K92425-333#17496#17829
15K → 20K6956+689#17829#17140
20K → Half1032+101#17140#17039
Half → 25K3895+384#17039#16655
25K → 30K47019+451#16655#16204
30K → 20M2019+192#16204#16012
20M → 21M11352+61#16012#15951
21M → 35K1355+130#15951#15821
35K → 23M13322+111#15821#15710
23M → 24M14217+125#15710#15585
24M → 40K10310+93#15585#15492
40K → 25.2M5116+35#15492#15457
25.2M → Finish13426+108#15457#15349
TOTALS4701634+4067
📊

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