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BOSTON MARATHON 2023

Liane Richardson

Bib: 20115•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 36%
Masters (Masters Women)
#0 / 6539
Top 22%
Division (F45-49)
#0 / 1817
Top 24%
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
8:20/mi
25:53
↑ 97↓ 3451.5%
10K· 6.21 mi
8:08/mi
51:09
↑ 79↓ 1380.4%
15K· 9.32 mi
8:10/mi
1:16:31
↑ 67↓ 78
20K· 12.43 mi
8:09/mi
1:41:50
↑ 106↓ 860.1%
Half· 13.11 mi
7:53/mi
1:47:13
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:07:12
↑ 66↓ 880.2%
30K· 18.64 mi
8:14/mi
2:32:47
↑ 181↓ 1480.2%
20M
8:15/mi
2:43:59
↑ 64↓ 500.2%
21M
8:36/mi
2:52:35
↑ 106↓ 241.6%
35K· 21.75 mi
8:11/mi
2:58:42
↑ 17↓ 861.7%
23M
8:16/mi
3:09:03
↑ 23↓ 630.6%
24M
7:59/mi
3:17:02
↓ 821.3%
40K· 24.85 mi
8:10/mi
3:24:01
↓ 200.3%
25.2M
8:39/mi
3:27:00
↑ 13↓ 160.2%
Finish· 26.22 mi
7:56/mi
3:35:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:47:13
Pace8:11 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:47:52
Pace8:14 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2625:538:2025:53
8:20
-
10K
6.21 mi11:43:4251:098:1425:16
8:08
-0:12
15K
9.32 mi12:09:041:16:318:1325:22
8:10
+0:02
20K
12.43 mi12:34:231:41:508:1225:19
8:09
-0:01
Half
13.11 mi12:39:461:47:138:115:23
7:53
-0:16
25K
15.53 mi12:59:452:07:128:1119:59
8:15
+0:22
30K
18.64 mi13:25:202:32:478:1225:35
8:14
-0:01
20M
20.00 mi13:36:322:43:598:1211:12
8:15
+0:01
21M
21.00 mi13:45:082:52:358:138:36
8:36
+0:21
35K
21.75 mi13:51:152:58:428:136:07
8:11
-0:25
23M
23.00 mi14:01:363:09:038:1310:21
8:16
+0:05
24M
24.00 mi14:09:353:17:028:137:59
7:59
-0:17
40K
24.85 mi14:16:343:24:018:126:59
8:10
+0:11
25.2M
25.20 mi14:19:333:27:008:132:59
8:39
+0:29
Finish
26.22 mi14:27:383:35:058:138:05
7:56
-0:43

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

7:53 /mi

Average Pace

8:13 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:37

83% of race

Time at Steady Pace

37:28

17% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:12 /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 mi11:18:2625:538:2025:53
8:20
#16359
10K
6.21 mi11:43:4251:098:1425:16
8:08
#16051
15K
9.32 mi12:09:041:16:318:1325:22
8:10
#15899
20K
12.43 mi12:34:231:41:508:1225:19
8:09
#15535
Half
13.11 mi12:39:461:47:138:115:23
7:53
#15442
25K
15.53 mi12:59:452:07:128:1119:59
8:15
#15272
30K
18.64 mi13:25:202:32:478:1225:35
8:14
#14779
20M
20.00 mi13:36:322:43:598:1211:12
8:15
#14549
21M
21.00 mi13:45:082:52:358:138:36
8:36
#14345
35K
21.75 mi13:51:152:58:428:136:07
8:11
#14285
23M
23.00 mi14:01:363:09:038:1310:21
8:16
#14089
24M
24.00 mi14:09:353:17:028:137:59
7:59
#13950
40K
24.85 mi14:16:343:24:018:126:59
8:10
#13829
25.2M
25.20 mi14:19:333:27:008:132:59
8:39
#13767
Finish
26.22 mi14:27:383:35:058:138:05
7:56
#13657
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi163595502550215613(Top 59%)5055(Top 44%)5055(Top 278%)
10K6.21 mi3.10 mi16051+3085309+1935309+19315765(Top 59%)5120(Top 45%)5120(Top 282%)
15K9.32 mi3.11 mi15899+1525213+965213+9615613(Top 59%)5055(Top 44%)5055(Top 278%)
20K12.43 mi3.11 mi15535+3645012+2015012+20114588(Top 55%)4452(Top 39%)4452(Top 245%)
Half13.11 mi0.68 mi15442+934962+504962+5013568(Top 51%)3844(Top 34%)3844(Top 212%)
25K15.53 mi2.42 mi15272+1704881+814881+8114532(Top 55%)4534(Top 40%)4534(Top 250%)
30K18.64 mi3.11 mi14779+4934601+2804601+28012586(Top 47%)3516(Top 31%)3516(Top 194%)
20M20.00 mi1.36 mi14549+2304497+1044497+10411995(Top 45%)3281(Top 29%)3281(Top 181%)
21M21.00 mi1.00 mi14345+2044407+904407+9011094(Top 42%)2929(Top 26%)2929(Top 161%)
35K21.75 mi0.75 mi14285+604379+284379+2813306(Top 50%)4168(Top 36%)4168(Top 229%)
23M23.00 mi1.25 mi14089+1964283+964283+9611678(Top 44%)3352(Top 29%)3352(Top 184%)
24M24.00 mi1.00 mi13950+1394226+574226+5711162(Top 42%)3186(Top 28%)3186(Top 175%)
40K24.85 mi0.85 mi13829+1214169+574169+5711190(Top 42%)3260(Top 29%)3260(Top 179%)
25.2M25.20 mi0.35 mi13767+624135+344135+3410568(Top 40%)2994(Top 26%)2994(Top 165%)
Finish26.22 mi1.02 mi13657+1104088+474088+4711659(Top 44%)3530(Top 31%)3530(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15613

Females

5055

F45-49

5055

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15765

Females

5120

F45-49

5120

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15613

Females

5055

F45-49

5055

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14588

Females

4452

F45-49

4452

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13568

Females

3844

F45-49

3844

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

14532

Females

4534

F45-49

4534

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12586

Females

3516

F45-49

3516

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

11995

Females

3281

F45-49

3281

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11094

Females

2929

F45-49

2929

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

13306

Females

4168

F45-49

4168

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11678

Females

3352

F45-49

3352

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11162

Females

3186

F45-49

3186

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11190

Females

3260

F45-49

3260

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10568

Females

2994

F45-49

2994

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11659

Females

3530

F45-49

3530

Passing Analysis

Category:
Athletes Passed
3196
Passed By
494
Net Change
+2702
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16359
5K → 10K467159+308#16359#16051
10K → 15K282130+152#16051#15899
15K → 20K39733+364#15899#15535
20K → Half952+93#15535#15442
Half → 25K21949+170#15442#15272
25K → 30K50916+493#15272#14779
30K → 20M2388+230#14779#14549
20M → 21M2106+204#14549#14345
21M → 35K7818+60#14345#14285
35K → 23M21014+196#14285#14089
23M → 24M14910+139#14089#13950
24M → 40K13615+121#13950#13829
40K → 25.2M675+62#13829#13767
25.2M → Finish13929+110#13767#13657
TOTALS3196494+2702
📊

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