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BOSTON MARATHON 2023

Michele Gerdes

Bib: 18644•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 48%
Masters (Masters Women)
#0 / 6539
Top 38%
Division (F40-44)
#0 / 1878
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
8:28/mi
26:18
↑ 97↓ 3451.5%
10K· 6.21 mi
8:14/mi
51:53
↑ 79↓ 1380.4%
15K· 9.32 mi
8:22/mi
1:17:54
↑ 67↓ 78
20K· 12.43 mi
8:20/mi
1:43:47
↑ 106↓ 860.1%
Half· 13.11 mi
8:17/mi
1:49:26
↑ 19↓ 370.5%
25K· 15.53 mi
8:27/mi
2:09:56
↑ 66↓ 880.2%
30K· 18.64 mi
9:08/mi
2:38:20
↑ 181↓ 1480.2%
20M
8:40/mi
2:50:07
↑ 64↓ 500.2%
21M
9:56/mi
3:00:03
↑ 106↓ 241.6%
35K· 21.75 mi
8:27/mi
3:06:22
↑ 17↓ 861.7%
23M
8:46/mi
3:17:20
↑ 23↓ 630.6%
24M
8:20/mi
3:25:40
↓ 821.3%
40K· 24.85 mi
8:28/mi
3:32:54
↓ 200.3%
25.2M
9:02/mi
3:36:01
↑ 13↓ 160.2%
Finish· 26.22 mi
8:27/mi
3:44:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:26
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time1:55:12
Pace8:47 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5726:188:2826:18
8:28
-
10K
6.21 mi11:44:3251:538:2125:35
8:14
-0:14
15K
9.32 mi12:10:331:17:548:2126:01
8:22
+0:08
20K
12.43 mi12:36:261:43:478:2125:53
8:20
-0:02
Half
13.11 mi12:42:051:49:268:215:39
8:17
-0:03
25K
15.53 mi13:02:352:09:568:2220:30
8:27
+0:10
30K
18.64 mi13:30:592:38:208:3028:24
9:08
+0:41
20M
20.00 mi13:42:462:50:078:3011:47
8:40
-0:28
21M
21.00 mi13:52:423:00:038:349:56
9:56
+1:16
35K
21.75 mi13:59:013:06:228:346:19
8:27
-1:29
23M
23.00 mi14:09:593:17:208:3510:58
8:46
+0:19
24M
24.00 mi14:18:193:25:408:348:20
8:20
-0:26
40K
24.85 mi14:25:333:32:548:347:14
8:28
+0:08
25.2M
25.20 mi14:28:403:36:018:343:07
9:02
+0:34
Finish
26.22 mi14:37:173:44:388:348:37
8:27
-0:35

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

8:14 /mi

Average Pace

8:34 /mi

Slowest Pace

9:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:35

11% of race

Time at Steady Pace

2:14:51

60% of race

Time at Slower Pace

1:04:12

29% of race

Average Pace: 8:34 /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 mi11:18:5726:188:2826:18
8:28
#17325
10K
6.21 mi11:44:3251:538:2125:35
8:14
#16859
15K
9.32 mi12:10:331:17:548:2126:01
8:22
#16908
20K
12.43 mi12:36:261:43:478:2125:53
8:20
#16639
Half
13.11 mi12:42:051:49:268:215:39
8:17
#16628
25K
15.53 mi13:02:352:09:568:2220:30
8:27
#16508
30K
18.64 mi13:30:592:38:208:3028:24
9:08
#16739
20M
20.00 mi13:42:462:50:078:3011:47
8:40
#16572
21M
21.00 mi13:52:423:00:038:349:56
9:56
#16652
35K
21.75 mi13:59:013:06:228:346:19
8:27
#16581
23M
23.00 mi14:09:593:17:208:3510:58
8:46
#16453
24M
24.00 mi14:18:193:25:408:348:20
8:20
#16310
40K
24.85 mi14:25:333:32:548:347:14
8:28
#16167
25.2M
25.20 mi14:28:403:36:018:343:07
9:02
#16123
Finish
26.22 mi14:37:173:44:388:348:37
8:27
#16085
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi173256144614416999(Top 64%)5913(Top 52%)5913(Top 315%)
10K6.21 mi3.10 mi16859+4665816+3285816+32816503(Top 62%)5578(Top 49%)5578(Top 297%)
15K9.32 mi3.11 mi16908-495858-425858-4216999(Top 64%)5913(Top 52%)5913(Top 315%)
20K12.43 mi3.11 mi16639+2695699+1595699+15915817(Top 59%)5239(Top 46%)5239(Top 279%)
Half13.11 mi0.68 mi16628+115704-55704-516413(Top 62%)5545(Top 49%)5545(Top 295%)
25K15.53 mi2.42 mi16508+1205645+595645+5915947(Top 60%)5412(Top 47%)5412(Top 288%)
30K18.64 mi3.11 mi16739-2315821-1765821-17617886(Top 67%)6580(Top 58%)6580(Top 350%)
20M20.00 mi1.36 mi16572+1675740+815740+8114712(Top 55%)4839(Top 42%)4839(Top 258%)
21M21.00 mi1.00 mi16652-805790-505790-5017788(Top 67%)6627(Top 58%)6627(Top 353%)
35K21.75 mi0.75 mi16581+715763+275763+2715017(Top 56%)5122(Top 45%)5122(Top 273%)
23M23.00 mi1.25 mi16453+1285704+595704+5914787(Top 56%)5063(Top 44%)5063(Top 270%)
24M24.00 mi1.00 mi16310+1435633+715633+7113490(Top 51%)4400(Top 39%)4400(Top 234%)
40K24.85 mi0.85 mi16167+1435570+635570+6313127(Top 49%)4283(Top 37%)4283(Top 228%)
25.2M25.20 mi0.35 mi16123+445545+255545+2512846(Top 48%)4179(Top 37%)4179(Top 223%)
Finish26.22 mi1.02 mi16085+385539+65539+615158(Top 57%)5347(Top 47%)5347(Top 285%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

16999

Females

5913

F40-44

5913

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16503

Females

5578

F40-44

5578

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

16999

Females

5913

F40-44

5913

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15817

Females

5239

F40-44

5239

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16413

Females

5545

F40-44

5545

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15947

Females

5412

F40-44

5412

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17886

Females

6580

F40-44

6580

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

14712

Females

4839

F40-44

4839

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

17788

Females

6627

F40-44

6627

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

15017

Females

5122

F40-44

5122

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

14787

Females

5063

F40-44

5063

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13490

Females

4400

F40-44

4400

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13127

Females

4283

F40-44

4283

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12846

Females

4179

F40-44

4179

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15158

Females

5347

F40-44

5347

Passing Analysis

Category:
Athletes Passed
2378
Passed By
1138
Net Change
+1240
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17325
5K → 10K620154+466#17325#16859
10K → 15K179228-49#16859#16908
15K → 20K32354+269#16908#16639
20K → Half3423+11#16639#16628
Half → 25K18969+120#16628#16508
25K → 30K110341-231#16508#16739
30K → 20M18417+167#16739#16572
20M → 21M56136-80#16572#16652
21M → 35K8817+71#16652#16581
35K → 23M15224+128#16581#16453
23M → 24M15411+143#16453#16310
24M → 40K1518+143#16310#16167
40K → 25.2M5410+44#16167#16123
25.2M → Finish8446+38#16123#16085
TOTALS23781138+1240
📊

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