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BOSTON MARATHON 2023

Danielle Baer

Bib: 17737•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 39%
Masters (Masters Women)
#0 / 6539
Top 26%
Division (F45-49)
#0 / 1817
Top 29%
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
8:13/mi
25:31
↑ 97↓ 3451.5%
10K· 6.21 mi
8:07/mi
50:44
↑ 79↓ 1380.4%
15K· 9.32 mi
8:07/mi
1:15:58
↑ 67↓ 78
20K· 12.43 mi
8:11/mi
1:41:23
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:46:47
↑ 19↓ 370.5%
25K· 15.53 mi
8:13/mi
2:06:43
↑ 66↓ 880.2%
30K· 18.64 mi
8:32/mi
2:33:14
↑ 181↓ 1480.2%
20M
8:31/mi
2:44:49
↑ 64↓ 500.2%
21M
9:21/mi
2:54:10
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
3:00:24
↑ 17↓ 861.7%
23M
8:14/mi
3:10:42
↑ 23↓ 630.6%
24M
8:09/mi
3:18:51
↓ 821.3%
40K· 24.85 mi
8:17/mi
3:25:56
↓ 200.3%
25.2M
9:11/mi
3:29:06
↑ 13↓ 160.2%
Finish· 26.22 mi
8:16/mi
3:37:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:47
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:50:44
Pace8:27 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2525:318:1325:31
8:13
-
10K
6.21 mi11:43:3850:448:1025:13
8:07
-0:06
15K
9.32 mi12:08:521:15:588:0925:14
8:07
0:00
20K
12.43 mi12:34:171:41:238:0925:25
8:11
+0:04
Half
13.11 mi12:39:411:46:478:095:24
7:55
-0:16
25K
15.53 mi12:59:372:06:438:0919:56
8:13
+0:18
30K
18.64 mi13:26:082:33:148:1326:31
8:32
+0:19
20M
20.00 mi13:37:432:44:498:1411:35
8:31
-0:01
21M
21.00 mi13:47:042:54:108:189:21
9:21
+0:50
35K
21.75 mi13:53:183:00:248:186:14
8:20
-1:01
23M
23.00 mi14:03:363:10:428:1710:18
8:14
-0:06
24M
24.00 mi14:11:453:18:518:178:09
8:09
-0:05
40K
24.85 mi14:18:503:25:568:177:05
8:17
+0:08
25.2M
25.20 mi14:22:003:29:068:183:10
9:11
+0:54
Finish
26.22 mi14:30:253:37:318:188:25
8:16
-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

7:55 /mi

Average Pace

8:18 /mi

Slowest Pace

9:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:25:00

94% of race

Time at Steady Pace

3:10

1% of race

Time at Slower Pace

9:21

4% of race

Average Pace: 8:18 /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 mi11:18:2525:318:1325:31
8:13
#15564
10K
6.21 mi11:43:3850:448:1025:13
8:07
#15583
15K
9.32 mi12:08:521:15:588:0925:14
8:07
#15492
20K
12.43 mi12:34:171:41:238:0925:25
8:11
#15313
Half
13.11 mi12:39:411:46:478:095:24
7:55
#15215
25K
15.53 mi12:59:372:06:438:0919:56
8:13
#15049
30K
18.64 mi13:26:082:33:148:1326:31
8:32
#14951
20M
20.00 mi13:37:432:44:498:1411:35
8:31
#14847
21M
21.00 mi13:47:042:54:108:189:21
9:21
#14850
35K
21.75 mi13:53:183:00:248:186:14
8:20
#14820
23M
23.00 mi14:03:363:10:428:1710:18
8:14
#14605
24M
24.00 mi14:11:453:18:518:178:09
8:09
#14481
40K
24.85 mi14:18:503:25:568:177:05
8:17
#14380
25.2M
25.20 mi14:22:003:29:068:183:10
9:11
#14357
Finish
26.22 mi14:30:253:37:318:188:25
8:16
#14316
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi155645009500915316(Top 58%)4858(Top 43%)4858(Top 267%)
10K6.21 mi3.10 mi15583-195018-95018-915641(Top 59%)5043(Top 44%)5043(Top 278%)
15K9.32 mi3.11 mi15492+914974+444974+4415316(Top 58%)4858(Top 43%)4858(Top 267%)
20K12.43 mi3.11 mi15313+1794877+974877+9714847(Top 56%)4615(Top 40%)4615(Top 254%)
Half13.11 mi0.68 mi15215+984819+584819+5813779(Top 52%)3966(Top 35%)3966(Top 218%)
25K15.53 mi2.42 mi15049+1664740+794740+7914406(Top 54%)4458(Top 39%)4458(Top 245%)
30K18.64 mi3.11 mi14951+984714+264714+2614530(Top 55%)4642(Top 41%)4642(Top 255%)
20M20.00 mi1.36 mi14847+1044669+454669+4513789(Top 52%)4288(Top 38%)4288(Top 236%)
21M21.00 mi1.00 mi14850-34695-264695-2615264(Top 57%)5201(Top 46%)5201(Top 286%)
35K21.75 mi0.75 mi14820+304699-44699-414316(Top 54%)4733(Top 41%)4733(Top 260%)
23M23.00 mi1.25 mi14605+2154587+1124587+11211414(Top 43%)3229(Top 28%)3229(Top 178%)
24M24.00 mi1.00 mi14481+1244542+454542+4512297(Top 46%)3757(Top 33%)3757(Top 207%)
40K24.85 mi0.85 mi14380+1014505+374505+3711977(Top 45%)3667(Top 32%)3667(Top 202%)
25.2M25.20 mi0.35 mi14357+234498+74498+713605(Top 51%)4542(Top 40%)4542(Top 250%)
Finish26.22 mi1.02 mi14316+414493+54493+513866(Top 52%)4669(Top 41%)4669(Top 257%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15316

Females

4858

F45-49

4858

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15641

Females

5043

F45-49

5043

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15316

Females

4858

F45-49

4858

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

14847

Females

4615

F45-49

4615

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13779

Females

3966

F45-49

3966

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14406

Females

4458

F45-49

4458

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

14530

Females

4642

F45-49

4642

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13789

Females

4288

F45-49

4288

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

15264

Females

5201

F45-49

5201

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

14316

Females

4733

F45-49

4733

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

11414

Females

3229

F45-49

3229

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12297

Females

3757

F45-49

3757

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11977

Females

3667

F45-49

3667

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13605

Females

4542

F45-49

4542

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

13866

Females

4669

F45-49

4669

Passing Analysis

Category:
Athletes Passed
2203
Passed By
955
Net Change
+1248
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15564
5K → 10K287306-19#15564#15583
10K → 15K223132+91#15583#15492
15K → 20K26182+179#15492#15313
20K → Half1035+98#15313#15215
Half → 25K21953+166#15215#15049
25K → 30K219121+98#15049#14951
30K → 20M13430+104#14951#14847
20M → 21M8285-3#14847#14850
21M → 35K6535+30#14850#14820
35K → 23M2249+215#14820#14605
23M → 24M14521+124#14605#14481
24M → 40K11615+101#14481#14380
40K → 25.2M3916+23#14380#14357
25.2M → Finish8645+41#14357#14316
TOTALS2203955+1248
📊

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