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BOSTON MARATHON 2023

Joanna Argus

Bib: 20817•F

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 42%
Masters (Masters Women)
#0 / 6539
Top 29%
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
8:27/mi
26:14
↑ 97↓ 3451.5%
10K· 6.21 mi
8:20/mi
52:07
↑ 79↓ 1380.4%
15K· 9.32 mi
8:20/mi
1:18:00
↑ 67↓ 78
20K· 12.43 mi
8:24/mi
1:44:07
↑ 106↓ 860.1%
Half· 13.11 mi
8:17/mi
1:49:46
↑ 19↓ 370.5%
25K· 15.53 mi
8:17/mi
2:09:51
↑ 66↓ 880.2%
30K· 18.64 mi
8:31/mi
2:36:20
↑ 181↓ 1480.2%
20M
8:26/mi
2:47:47
↑ 64↓ 500.2%
21M
8:35/mi
2:56:22
↑ 106↓ 241.6%
35K· 21.75 mi
8:08/mi
3:02:27
↑ 17↓ 861.7%
23M
8:22/mi
3:12:55
↑ 23↓ 630.6%
24M
8:14/mi
3:21:09
↓ 821.3%
40K· 24.85 mi
8:03/mi
3:28:02
↓ 200.3%
25.2M
8:33/mi
3:30:59
↑ 13↓ 160.2%
Finish· 26.22 mi
8:08/mi
3:39:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:49:46
Pace8:22 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:49:30
Pace8:21 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4626:148:2726:14
8:27
-
10K
6.21 mi11:48:3952:078:2325:53
8:20
-0:07
15K
9.32 mi12:14:321:18:008:2225:53
8:20
0:00
20K
12.43 mi12:40:391:44:078:2326:07
8:24
+0:04
Half
13.11 mi12:46:181:49:468:225:39
8:17
-0:07
25K
15.53 mi13:06:232:09:518:2220:05
8:17
0:00
30K
18.64 mi13:32:522:36:208:2326:29
8:31
+0:14
20M
20.00 mi13:44:192:47:478:2311:27
8:26
-0:05
21M
21.00 mi13:52:542:56:228:248:35
8:35
+0:09
35K
21.75 mi13:58:593:02:278:236:05
8:08
-0:27
23M
23.00 mi14:09:273:12:558:2310:28
8:22
+0:14
24M
24.00 mi14:17:413:21:098:238:14
8:14
-0:08
40K
24.85 mi14:24:343:28:028:226:53
8:03
-0:11
25.2M
25.20 mi14:27:313:30:598:222:57
8:33
+0:30
Finish
26.22 mi14:35:483:39:168:228:17
8:08
-0:25

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

8:03 /mi

Average Pace

8:22 /mi

Slowest Pace

8:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:15

83% of race

Time at Steady Pace

38:01

17% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:22 /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 mi11:22:4626:148:2726:14
8:27
#17173
10K
6.21 mi11:48:3952:078:2325:53
8:20
#17127
15K
9.32 mi12:14:321:18:008:2225:53
8:20
#16977
20K
12.43 mi12:40:391:44:078:2326:07
8:24
#16784
Half
13.11 mi12:46:181:49:468:225:39
8:17
#16783
25K
15.53 mi13:06:232:09:518:2220:05
8:17
#16468
30K
18.64 mi13:32:522:36:208:2326:29
8:31
#16062
20M
20.00 mi13:44:192:47:478:2311:27
8:26
#15816
21M
21.00 mi13:52:542:56:228:248:35
8:35
#15528
35K
21.75 mi13:58:593:02:278:236:05
8:08
#15417
23M
23.00 mi14:09:273:12:558:2310:28
8:22
#15207
24M
24.00 mi14:17:413:21:098:238:14
8:14
#15094
40K
24.85 mi14:24:343:28:028:226:53
8:03
#14912
25.2M
25.20 mi14:27:313:30:598:222:57
8:33
#14821
Finish
26.22 mi14:35:483:39:168:228:17
8:08
#14743
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi171736043604316735(Top 63%)5747(Top 50%)5747(Top 306%)
10K6.21 mi3.10 mi17127+466003+406003+4017131(Top 64%)5950(Top 52%)5950(Top 317%)
15K9.32 mi3.11 mi16977+1505892+1115892+11116735(Top 63%)5747(Top 50%)5747(Top 306%)
20K12.43 mi3.11 mi16784+1935793+995793+9916278(Top 61%)5514(Top 48%)5514(Top 294%)
Half13.11 mi0.68 mi16783+15789+45789+416375(Top 62%)5507(Top 48%)5507(Top 293%)
25K15.53 mi2.42 mi16468+3155619+1705619+17014853(Top 56%)4735(Top 41%)4735(Top 252%)
30K18.64 mi3.11 mi16062+4065412+2075412+20714482(Top 54%)4615(Top 40%)4615(Top 246%)
20M20.00 mi1.36 mi15816+2465285+1275285+12713201(Top 50%)3970(Top 35%)3970(Top 211%)
21M21.00 mi1.00 mi15528+2885132+1535132+15311015(Top 41%)2888(Top 25%)2888(Top 154%)
35K21.75 mi0.75 mi15417+1115083+495083+4913059(Top 49%)4045(Top 35%)4045(Top 215%)
23M23.00 mi1.25 mi15207+2104969+1144969+11412343(Top 46%)3721(Top 33%)3721(Top 198%)
24M24.00 mi1.00 mi15094+1134910+594910+5912874(Top 48%)4073(Top 36%)4073(Top 217%)
40K24.85 mi0.85 mi14912+1824826+844826+8410427(Top 39%)2869(Top 25%)2869(Top 153%)
25.2M25.20 mi0.35 mi14821+914788+384788+3810009(Top 38%)2725(Top 24%)2725(Top 145%)
Finish26.22 mi1.02 mi14743+784754+344754+3413009(Top 49%)4225(Top 37%)4225(Top 225%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

16735

Females

5747

F40-44

5747

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

17131

Females

5950

F40-44

5950

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

16735

Females

5747

F40-44

5747

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

16278

Females

5514

F40-44

5514

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16375

Females

5507

F40-44

5507

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

14853

Females

4735

F40-44

4735

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

14482

Females

4615

F40-44

4615

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

13201

Females

3970

F40-44

3970

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

11015

Females

2888

F40-44

2888

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13059

Females

4045

F40-44

4045

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

12343

Females

3721

F40-44

3721

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12874

Females

4073

F40-44

4073

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10427

Females

2869

F40-44

2869

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10009

Females

2725

F40-44

2725

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13009

Females

4225

F40-44

4225

Passing Analysis

Category:
Athletes Passed
3066
Passed By
636
Net Change
+2430
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17173
5K → 10K339293+46#17173#17127
10K → 15K282132+150#17127#16977
15K → 20K28087+193#16977#16784
20K → Half2423+1#16784#16783
Half → 25K33015+315#16783#16468
25K → 30K43529+406#16468#16062
30K → 20M2482+246#16062#15816
20M → 21M2902+288#15816#15528
21M → 35K1143+111#15528#15417
35K → 23M22717+210#15417#15207
23M → 24M1185+113#15207#15094
24M → 40K1853+182#15094#14912
40K → 25.2M932+91#14912#14821
25.2M → Finish10123+78#14821#14743
TOTALS3066636+2430
📊

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