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BOSTON MARATHON 2024

Tonya Piergies

CA

Bib: 13916 F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 27%
Gender (Female)
#0 / 10924
Top 12%
Division (F18-39)
#0 / 4660
Top 22%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:40/mi
23:49
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:36/mi
47:27
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:31/mi
1:10:48
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:27/mi
1:33:58
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:20/mi
1:38:58
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:33/mi
1:57:17
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:46/mi
2:21:24
↑ 181↓ 1480.2%
138 ft elev
20M
7:44/mi
2:31:54
↑ 64↓ 500.2%
148 ft elev
21M
8:17/mi
2:40:11
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:33/mi
2:45:50
↑ 17↓ 861.7%
156 ft elev
23M
7:53/mi
2:55:42
↑ 23↓ 630.6%
116 ft elev
24M
7:40/mi
3:03:22
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:44/mi
3:09:59
↓ 200.3%
20 ft elev
25.2M
8:25/mi
3:12:53
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:18/mi
3:20:19
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:58
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:41:21
Pace7:44 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4423:497:4023:49
7:40
-
10K
6.21 mi11:18:2247:277:3823:38
7:36
-0:04
15K
9.32 mi11:41:431:10:487:3623:21
7:31
-0:05
20K
12.43 mi12:04:531:33:587:3423:10
7:27
-0:04
Half
13.11 mi12:09:531:38:587:335:00
7:20
-0:07
25K
15.53 mi12:28:121:57:177:3318:19
7:33
+0:13
30K
18.64 mi12:52:192:21:247:3524:07
7:46
+0:13
20M
20.00 mi13:02:492:31:547:3610:30
7:44
-0:02
21M
21.00 mi13:11:062:40:117:388:17
8:17
+0:33
35K
21.75 mi13:16:452:45:507:385:39
7:33
-0:44
23M
23.00 mi13:26:372:55:427:389:52
7:53
+0:20
24M
24.00 mi13:34:173:03:227:387:40
7:40
-0:13
40K
24.85 mi13:40:543:09:597:396:37
7:44
+0:04
25.2M
25.20 mi13:43:483:12:537:392:54
8:25
+0:41
Finish
26.22 mi13:51:143:20:197:397:26
7:18
-1:07

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

7:18 /mi

Average Pace

7:39 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:08

94% of race

Time at Steady Pace

11:11

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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 mi10:54:4423:497:4023:49
7:40
#12057
10K
6.21 mi11:18:2247:277:3823:38
7:36
#11547
15K
9.32 mi11:41:431:10:487:3623:21
7:31
#10922
20K
12.43 mi12:04:531:33:587:3423:10
7:27
#10107
Half
13.11 mi12:09:531:38:587:335:00
7:20
#9988
25K
15.53 mi12:28:121:57:177:3318:19
7:33
#9430
30K
18.64 mi12:52:192:21:247:3524:07
7:46
#8752
20M
20.00 mi13:02:492:31:547:3610:30
7:44
#8378
21M
21.00 mi13:11:062:40:117:388:17
8:17
#8090
35K
21.75 mi13:16:452:45:507:385:39
7:33
#7931
23M
23.00 mi13:26:372:55:427:389:52
7:53
#7638
24M
24.00 mi13:34:173:03:227:387:40
7:40
#7431
40K
24.85 mi13:40:543:09:597:396:37
7:44
#7244
25.2M
25.20 mi13:43:483:12:537:392:54
8:25
#7146
Finish
26.22 mi13:51:143:20:197:397:26
7:18
#6967
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi12057315331539814(Top 38%)2082(Top 19%)2082(Top 45%)
10K6.21 mi3.10 mi11547+5102901+2522901+25211140(Top 44%)2721(Top 25%)2721(Top 58%)
15K9.32 mi3.11 mi10922+6252589+3122589+3129814(Top 38%)2082(Top 19%)2082(Top 45%)
20K12.43 mi3.11 mi10107+8152202+3872202+3878073(Top 32%)1412(Top 13%)1412(Top 30%)
Half13.11 mi0.68 mi9988+1192146+562146+567921(Top 31%)1329(Top 12%)1329(Top 29%)
25K15.53 mi2.42 mi9430+5581920+2261920+2267349(Top 29%)1301(Top 12%)1301(Top 28%)
30K18.64 mi3.11 mi8752+6781696+2241696+2246492(Top 25%)1153(Top 11%)1153(Top 25%)
20M20.00 mi1.36 mi8378+3741599+971599+975372(Top 21%)878(Top 8%)878(Top 19%)
21M21.00 mi1.00 mi8090+2881526+731526+735279(Top 21%)995(Top 9%)995(Top 21%)
35K21.75 mi0.75 mi7931+1591484+421484+425354(Top 21%)1043(Top 10%)1043(Top 22%)
23M23.00 mi1.25 mi7638+2931424+601424+605199(Top 20%)1095(Top 10%)1095(Top 23%)
24M24.00 mi1.00 mi7431+2071378+461378+464894(Top 19%)1041(Top 10%)1041(Top 22%)
40K24.85 mi0.85 mi7244+1871347+311347+314522(Top 18%)990(Top 9%)990(Top 21%)
25.2M25.20 mi0.35 mi7146+981331+161331+164160(Top 16%)897(Top 8%)897(Top 19%)
Finish26.22 mi1.02 mi6967+1791289+421289+424515(Top 18%)981(Top 9%)981(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

9814

Females

2082

F18-39

2082

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11140

Females

2721

F18-39

2721

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

9814

Females

2082

F18-39

2082

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8073

Females

1412

F18-39

1412

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

7921

Females

1329

F18-39

1329

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7349

Females

1301

F18-39

1301

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

6492

Females

1153

F18-39

1153

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5372

Females

878

F18-39

878

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

5279

Females

995

F18-39

995

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5354

Females

1043

F18-39

1043

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5199

Females

1095

F18-39

1095

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

4894

Females

1041

F18-39

1041

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4522

Females

990

F18-39

990

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4160

Females

897

F18-39

897

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

4515

Females

981

F18-39

981

Passing Analysis

Category:
Athletes Passed
5282*
Passed By
192
Net Change
+5090
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12057
5K → 10K58676+510#12057#11547
10K → 15K64217+625#11547#10922
15K → 20K8183+815#10922#10107
20K → Half120*1+119#10107#9988
Half → 25K56911+558#9988#9430
25K → 30K69820+678#9430#8752
30K → 20M3773+374#8752#8378
20M → 21M30113+288#8378#8090
21M → 35K1634+159#8090#7931
35K → 23M31320+293#7931#7638
23M → 24M2147+207#7638#7431
24M → 40K1958+187#7431#7244
40K → 25.2M1013+98#7244#7146
25.2M → Finish1856+179#7146#6967
TOTALS5282*192+5090

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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