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BOSTON MARATHON 2023

Allison Germolus

Bib: 20363•F

ND

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 47%
Masters (Masters Women)
#0 / 6539
Top 36%
Division (F55-59)
#0 / 815
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
8:30/mi
26:25
↑ 97↓ 3451.5%
10K· 6.21 mi
8:15/mi
52:04
↑ 79↓ 1380.4%
15K· 9.32 mi
8:27/mi
1:18:18
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:44:44
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:50:42
↑ 19↓ 370.5%
25K· 15.53 mi
8:29/mi
2:11:15
↑ 66↓ 880.2%
30K· 18.64 mi
8:51/mi
2:38:44
↑ 181↓ 1480.2%
20M
8:43/mi
2:50:35
↑ 64↓ 500.2%
21M
8:57/mi
2:59:32
↑ 106↓ 241.6%
35K· 21.75 mi
8:25/mi
3:05:50
↑ 17↓ 861.7%
23M
8:45/mi
3:16:47
↑ 23↓ 630.6%
24M
8:17/mi
3:25:04
↓ 821.3%
40K· 24.85 mi
8:37/mi
3:32:26
↓ 200.3%
25.2M
9:05/mi
3:35:34
↑ 13↓ 160.2%
Finish· 26.22 mi
7:40/mi
3:43:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:42
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time1:52:41
Pace8:36 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2626:258:3026:25
8:30
-
10K
6.21 mi11:46:0552:048:2325:39
8:15
-0:15
15K
9.32 mi12:12:191:18:188:2426:14
8:27
+0:12
20K
12.43 mi12:38:451:44:448:2626:26
8:30
+0:03
Half
13.11 mi12:44:431:50:428:275:58
8:45
+0:15
25K
15.53 mi13:05:162:11:158:2720:33
8:29
-0:16
30K
18.64 mi13:32:452:38:448:3127:29
8:51
+0:22
20M
20.00 mi13:44:362:50:358:3211:51
8:43
-0:08
21M
21.00 mi13:53:332:59:328:338:57
8:57
+0:14
35K
21.75 mi13:59:513:05:508:336:18
8:25
-0:32
23M
23.00 mi14:10:483:16:478:3310:57
8:45
+0:20
24M
24.00 mi14:19:053:25:048:338:17
8:17
-0:28
40K
24.85 mi14:26:273:32:268:337:22
8:37
+0:20
25.2M
25.20 mi14:29:353:35:348:333:08
9:05
+0:28
Finish
26.22 mi14:37:243:43:238:327:49
7:40
-1:25

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

7:40 /mi

Average Pace

8:32 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

48:03

22% of race

Time at Steady Pace

2:52:12

77% of race

Time at Slower Pace

3:08

1% of race

Average Pace: 8:31 /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 mi11:20:2626:258:3026:25
8:30
#17584
10K
6.21 mi11:46:0552:048:2325:39
8:15
#17061
15K
9.32 mi12:12:191:18:188:2426:14
8:27
#17203
20K
12.43 mi12:38:451:44:448:2626:26
8:30
#17131
Half
13.11 mi12:44:431:50:428:275:58
8:45
#17221
25K
15.53 mi13:05:162:11:158:2720:33
8:29
#17038
30K
18.64 mi13:32:452:38:448:3127:29
8:51
#16858
20M
20.00 mi13:44:362:50:358:3211:51
8:43
#16715
21M
21.00 mi13:53:332:59:328:338:57
8:57
#16485
35K
21.75 mi13:59:513:05:508:336:18
8:25
#16418
23M
23.00 mi14:10:483:16:478:3310:57
8:45
#16316
24M
24.00 mi14:19:053:25:048:338:17
8:17
#16147
40K
24.85 mi14:26:273:32:268:337:22
8:37
#16066
25.2M
25.20 mi14:29:353:35:348:333:08
9:05
#16008
Finish
26.22 mi14:37:243:43:238:327:49
7:40
#15771
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi175846306630617423(Top 65%)6166(Top 54%)6166(Top 757%)
10K6.21 mi3.10 mi17061+5235955+3515955+35116624(Top 62%)5650(Top 49%)5650(Top 693%)
15K9.32 mi3.11 mi17203-1426034-796034-7917423(Top 65%)6166(Top 54%)6166(Top 757%)
20K12.43 mi3.11 mi17131+726007+276007+2716909(Top 64%)5878(Top 51%)5878(Top 721%)
Half13.11 mi0.68 mi17221-906057-506057-5019193(Top 72%)7184(Top 63%)7184(Top 881%)
25K15.53 mi2.42 mi17038+1835969+885969+8816058(Top 60%)5476(Top 48%)5476(Top 672%)
30K18.64 mi3.11 mi16858+1805873+965873+9616357(Top 61%)5701(Top 50%)5701(Top 700%)
20M20.00 mi1.36 mi16715+1435818+555818+5515013(Top 56%)5002(Top 44%)5002(Top 614%)
21M21.00 mi1.00 mi16485+2305702+1165702+11613159(Top 49%)4040(Top 35%)4040(Top 496%)
35K21.75 mi0.75 mi16418+675667+355667+3514889(Top 56%)5044(Top 44%)5044(Top 619%)
23M23.00 mi1.25 mi16316+1025623+445623+4414696(Top 55%)5009(Top 44%)5009(Top 615%)
24M24.00 mi1.00 mi16147+1695541+825541+8213203(Top 50%)4241(Top 37%)4241(Top 520%)
40K24.85 mi0.85 mi16066+815513+285513+2814088(Top 53%)4799(Top 42%)4799(Top 589%)
25.2M25.20 mi0.35 mi16008+585484+295484+2913101(Top 49%)4299(Top 38%)4299(Top 527%)
Finish26.22 mi1.02 mi15771+2375357+1275357+1279830(Top 37%)2635(Top 23%)2635(Top 323%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

17423

Females

6166

F55-59

6166

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16624

Females

5650

F55-59

5650

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

17423

Females

6166

F55-59

6166

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

16909

Females

5878

F55-59

5878

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19193

Females

7184

F55-59

7184

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

16058

Females

5476

F55-59

5476

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

16357

Females

5701

F55-59

5701

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

15013

Females

5002

F55-59

5002

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13159

Females

4040

F55-59

4040

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

14889

Females

5044

F55-59

5044

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14696

Females

5009

F55-59

5009

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

13203

Females

4241

F55-59

4241

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14088

Females

4799

F55-59

4799

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13101

Females

4299

F55-59

4299

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

9830

Females

2635

F55-59

2635

Passing Analysis

Category:
Athletes Passed
2681
Passed By
868
Net Change
+1813
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17584
5K → 10K665142+523#17584#17061
10K → 15K128270-142#17061#17203
15K → 20K211139+72#17203#17131
20K → Half494-90#17131#17221
Half → 25K22542+183#17221#17038
25K → 30K25575+180#17038#16858
30K → 20M16320+143#16858#16715
20M → 21M2355+230#16715#16485
21M → 35K8518+67#16485#16418
35K → 23M13129+102#16418#16316
23M → 24M1767+169#16316#16147
24M → 40K10423+81#16147#16066
40K → 25.2M613+58#16066#16008
25.2M → Finish2381+237#16008#15771
TOTALS2681868+1813
📊

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