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BOSTON MARATHON 2023

Devon Bijansky

Bib: 15308•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 27%
Masters (Masters Women)
#0 / 6539
Top 14%
Division (F45-49)
#0 / 1817
Top 14%
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
8:01/mi
24:54
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
49:16
↑ 79↓ 1380.4%
15K· 9.32 mi
7:40/mi
1:13:06
↑ 67↓ 78
20K· 12.43 mi
7:43/mi
1:37:05
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:42:16
↑ 19↓ 370.5%
25K· 15.53 mi
7:52/mi
2:01:21
↑ 66↓ 880.2%
30K· 18.64 mi
8:08/mi
2:26:36
↑ 181↓ 1480.2%
20M
8:09/mi
2:37:41
↑ 64↓ 500.2%
21M
8:52/mi
2:46:33
↑ 106↓ 241.6%
35K· 21.75 mi
7:49/mi
2:52:24
↑ 17↓ 861.7%
23M
8:14/mi
3:02:43
↑ 23↓ 630.6%
24M
7:59/mi
3:10:42
↓ 821.3%
40K· 24.85 mi
8:05/mi
3:17:37
↓ 200.3%
25.2M
8:51/mi
3:20:40
↑ 13↓ 160.2%
Finish· 26.22 mi
7:56/mi
3:28:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:16
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:46:29
Pace8:07 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1824:548:0124:54
8:01
-
10K
6.21 mi11:19:4049:167:5624:22
7:51
-0:10
15K
9.32 mi11:43:301:13:067:5123:50
7:40
-0:11
20K
12.43 mi12:07:291:37:057:4923:59
7:43
+0:03
Half
13.11 mi12:12:401:42:167:485:11
7:36
-0:07
25K
15.53 mi12:31:452:01:217:4919:05
7:52
+0:16
30K
18.64 mi12:57:002:26:367:5225:15
8:08
+0:16
20M
20.00 mi13:08:052:37:417:5311:05
8:09
+0:01
21M
21.00 mi13:16:572:46:337:568:52
8:52
+0:43
35K
21.75 mi13:22:482:52:247:565:51
7:49
-1:03
23M
23.00 mi13:33:073:02:437:5710:19
8:14
+0:25
24M
24.00 mi13:41:063:10:427:577:59
7:59
-0:15
40K
24.85 mi13:48:013:17:377:576:55
8:05
+0:06
25.2M
25.20 mi13:51:043:20:407:583:03
8:51
+0:46
Finish
26.22 mi13:59:093:28:457:588:05
7:56
-0:55

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

7:36 /mi

Average Pace

7:58 /mi

Slowest Pace

8:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:50

94% of race

Time at Steady Pace

11:55

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi10:55:1824:548:0124:54
8:01
#14127
10K
6.21 mi11:19:4049:167:5624:22
7:51
#13814
15K
9.32 mi11:43:301:13:067:5123:50
7:40
#13066
20K
12.43 mi12:07:291:37:057:4923:59
7:43
#12505
Half
13.11 mi12:12:401:42:167:485:11
7:36
#12420
25K
15.53 mi12:31:452:01:217:4919:05
7:52
#12283
30K
18.64 mi12:57:002:26:367:5225:15
8:08
#12162
20M
20.00 mi13:08:052:37:417:5311:05
8:09
#12087
21M
21.00 mi13:16:572:46:337:568:52
8:52
#12104
35K
21.75 mi13:22:482:52:247:565:51
7:49
#12041
23M
23.00 mi13:33:073:02:437:5710:19
8:14
#12007
24M
24.00 mi13:41:063:10:427:577:59
7:59
#11959
40K
24.85 mi13:48:013:17:377:576:55
8:05
#11895
25.2M
25.20 mi13:51:043:20:407:583:03
8:51
#11881
Finish
26.22 mi13:59:093:28:457:588:05
7:56
#11875
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi141274105410511610(Top 44%)2689(Top 24%)2689(Top 148%)
10K6.21 mi3.10 mi13814+3133930+1753930+17513493(Top 51%)3717(Top 33%)3717(Top 205%)
15K9.32 mi3.11 mi13066+7483500+4303500+43011610(Top 44%)2689(Top 24%)2689(Top 148%)
20K12.43 mi3.11 mi12505+5613203+2973203+29711088(Top 42%)2454(Top 21%)2454(Top 135%)
Half13.11 mi0.68 mi12420+853160+433160+4311085(Top 42%)2427(Top 21%)2427(Top 134%)
25K15.53 mi2.42 mi12283+1373104+563104+5611707(Top 44%)2900(Top 25%)2900(Top 160%)
30K18.64 mi3.11 mi12162+1213069+353069+3511839(Top 44%)3087(Top 27%)3087(Top 170%)
20M20.00 mi1.36 mi12087+753051+183051+1811409(Top 43%)2944(Top 26%)2944(Top 162%)
21M21.00 mi1.00 mi12104-173069-183069-1812659(Top 48%)3755(Top 33%)3755(Top 207%)
35K21.75 mi0.75 mi12041+633052+173052+1710849(Top 41%)2801(Top 25%)2801(Top 154%)
23M23.00 mi1.25 mi12007+343066-143066-1411484(Top 43%)3246(Top 28%)3246(Top 179%)
24M24.00 mi1.00 mi11959+483056+103056+1011142(Top 42%)3166(Top 28%)3166(Top 174%)
40K24.85 mi0.85 mi11895+643035+213035+2110675(Top 40%)2979(Top 26%)2979(Top 164%)
25.2M25.20 mi0.35 mi11881+143037-23037-211627(Top 44%)3523(Top 31%)3523(Top 194%)
Finish26.22 mi1.02 mi11875+63053-163053-1611642(Top 44%)3513(Top 31%)3513(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11610

Females

2689

F45-49

2689

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13493

Females

3717

F45-49

3717

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11610

Females

2689

F45-49

2689

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11088

Females

2454

F45-49

2454

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11085

Females

2427

F45-49

2427

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11707

Females

2900

F45-49

2900

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11839

Females

3087

F45-49

3087

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

11409

Females

2944

F45-49

2944

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

12659

Females

3755

F45-49

3755

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

10849

Females

2801

F45-49

2801

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

11484

Females

3246

F45-49

3246

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11142

Females

3166

F45-49

3166

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10675

Females

2979

F45-49

2979

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11627

Females

3523

F45-49

3523

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11642

Females

3513

F45-49

3513

Passing Analysis

Category:
Athletes Passed
3056
Passed By
804
Net Change
+2252
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14127
5K → 10K478165+313#14127#13814
10K → 15K76820+748#13814#13066
15K → 20K57514+561#13066#12505
20K → Half916+85#12505#12420
Half → 25K18548+137#12420#12283
25K → 30K260139+121#12283#12162
30K → 20M14065+75#12162#12087
20M → 21M7491-17#12087#12104
21M → 35K8118+63#12104#12041
35K → 23M10571+34#12041#12007
23M → 24M8840+48#12007#11959
24M → 40K9632+64#11959#11895
40K → 25.2M3723+14#11895#11881
25.2M → Finish7872+6#11881#11875
TOTALS3056804+2252
📊

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