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BOSTON MARATHON 2023

Bonnie Darrenkamp

Bib: 19584•F

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 40%
Masters (Masters Women)
#0 / 6539
Top 28%
Division (F50-54)
#0 / 1207
Top 19%
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
8:21/mi
25:58
↑ 97↓ 3451.5%
10K· 6.21 mi
8:06/mi
51:09
↑ 79↓ 1380.4%
15K· 9.32 mi
8:04/mi
1:16:13
↑ 67↓ 78
20K· 12.43 mi
8:10/mi
1:41:34
↑ 106↓ 860.1%
Half· 13.11 mi
8:02/mi
1:47:03
↑ 19↓ 370.5%
25K· 15.53 mi
8:10/mi
2:06:50
↑ 66↓ 880.2%
30K· 18.64 mi
8:28/mi
2:33:08
↑ 181↓ 1480.2%
20M
8:40/mi
2:44:54
↑ 64↓ 500.2%
21M
9:13/mi
2:54:07
↑ 106↓ 241.6%
35K· 21.75 mi
8:23/mi
3:00:23
↑ 17↓ 861.7%
23M
8:33/mi
3:11:05
↑ 23↓ 630.6%
24M
8:16/mi
3:19:21
↓ 821.3%
40K· 24.85 mi
8:16/mi
3:26:25
↓ 200.3%
25.2M
9:46/mi
3:29:47
↑ 13↓ 160.2%
Finish· 26.22 mi
8:23/mi
3:38:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:03
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:51:17
Pace8:29 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0925:588:2125:58
8:21
-
10K
6.21 mi11:43:2051:098:1425:11
8:06
-0:15
15K
9.32 mi12:08:241:16:138:1125:04
8:04
-0:02
20K
12.43 mi12:33:451:41:348:1025:21
8:10
+0:06
Half
13.11 mi12:39:141:47:038:105:29
8:02
-0:08
25K
15.53 mi12:59:012:06:508:1019:47
8:10
+0:08
30K
18.64 mi13:25:192:33:088:1326:18
8:28
+0:18
20M
20.00 mi13:37:052:44:548:1511:46
8:40
+0:12
21M
21.00 mi13:46:182:54:078:179:13
9:13
+0:33
35K
21.75 mi13:52:343:00:238:186:16
8:23
-0:50
23M
23.00 mi14:03:163:11:058:1810:42
8:33
+0:10
24M
24.00 mi14:11:323:19:218:188:16
8:16
-0:17
40K
24.85 mi14:18:363:26:258:187:04
8:16
0:00
25.2M
25.20 mi14:21:583:29:478:193:22
9:46
+1:30
Finish
26.22 mi14:30:313:38:208:208:33
8:23
-1:23

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

8:02 /mi

Average Pace

8:20 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

55:44

26% of race

Time at Steady Pace

2:18:15

63% of race

Time at Slower Pace

24:21

11% of race

Average Pace: 8:20 /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 mi11:18:0925:588:2125:58
8:21
#16570
10K
6.21 mi11:43:2051:098:1425:11
8:06
#16053
15K
9.32 mi12:08:241:16:138:1125:04
8:04
#15651
20K
12.43 mi12:33:451:41:348:1025:21
8:10
#15397
Half
13.11 mi12:39:141:47:038:105:29
8:02
#15346
25K
15.53 mi12:59:012:06:508:1019:47
8:10
#15097
30K
18.64 mi13:25:192:33:088:1326:18
8:28
#14919
20M
20.00 mi13:37:052:44:548:1511:46
8:40
#14873
21M
21.00 mi13:46:182:54:078:179:13
9:13
#14831
35K
21.75 mi13:52:343:00:238:186:16
8:23
#14812
23M
23.00 mi14:03:163:11:058:1810:42
8:33
#14724
24M
24.00 mi14:11:323:19:218:188:16
8:16
#14623
40K
24.85 mi14:18:363:26:258:187:04
8:16
#14504
25.2M
25.20 mi14:21:583:29:478:193:22
9:46
#14532
Finish
26.22 mi14:30:313:38:208:208:33
8:23
#14508
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi165705645564514954(Top 56%)4650(Top 41%)4650(Top 385%)
10K6.21 mi3.10 mi16053+5175311+3345311+33415559(Top 58%)4988(Top 44%)4988(Top 413%)
15K9.32 mi3.11 mi15651+4025068+2435068+24314954(Top 56%)4650(Top 41%)4650(Top 385%)
20K12.43 mi3.11 mi15397+2544925+1434925+14314676(Top 55%)4509(Top 39%)4509(Top 374%)
Half13.11 mi0.68 mi15346+514906+194906+1914720(Top 55%)4516(Top 40%)4516(Top 374%)
25K15.53 mi2.42 mi15097+2494770+1364770+13613963(Top 52%)4199(Top 37%)4199(Top 348%)
30K18.64 mi3.11 mi14919+1784693+774693+7714091(Top 53%)4388(Top 38%)4388(Top 364%)
20M20.00 mi1.36 mi14873+464688+54688+514632(Top 55%)4784(Top 42%)4784(Top 396%)
21M21.00 mi1.00 mi14831+424685+34685+314577(Top 55%)4807(Top 42%)4807(Top 398%)
35K21.75 mi0.75 mi14812+194692-74692-714602(Top 55%)4884(Top 43%)4884(Top 405%)
23M23.00 mi1.25 mi14724+884669+234669+2313525(Top 51%)4356(Top 38%)4356(Top 361%)
24M24.00 mi1.00 mi14623+1014631+384631+3813095(Top 49%)4184(Top 37%)4184(Top 347%)
40K24.85 mi0.85 mi14504+1194578+534578+5311840(Top 44%)3587(Top 31%)3587(Top 297%)
25.2M25.20 mi0.35 mi14532-284607-294607-2916388(Top 62%)6082(Top 53%)6082(Top 504%)
Finish26.22 mi1.02 mi14508+244602+54602+514690(Top 55%)5087(Top 45%)5087(Top 421%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14954

Females

4650

F50-54

4650

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15559

Females

4988

F50-54

4988

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14954

Females

4650

F50-54

4650

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14676

Females

4509

F50-54

4509

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

14720

Females

4516

F50-54

4516

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13963

Females

4199

F50-54

4199

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14091

Females

4388

F50-54

4388

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

14632

Females

4784

F50-54

4784

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

14577

Females

4807

F50-54

4807

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14602

Females

4884

F50-54

4884

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

13525

Females

4356

F50-54

4356

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13095

Females

4184

F50-54

4184

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11840

Females

3587

F50-54

3587

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16388

Females

6082

F50-54

6082

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14690

Females

5087

F50-54

5087

Passing Analysis

Category:
Athletes Passed
2765
Passed By
703
Net Change
+2062
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16570
5K → 10K643126+517#16570#16053
10K → 15K46260+402#16053#15651
15K → 20K31460+254#15651#15397
20K → Half6716+51#15397#15346
Half → 25K27324+249#15346#15097
25K → 30K26991+178#15097#14919
30K → 20M10458+46#14919#14873
20M → 21M10260+42#14873#14831
21M → 35K5637+19#14831#14812
35K → 23M12941+88#14812#14724
23M → 24M12827+101#14724#14623
24M → 40K1289+119#14623#14504
40K → 25.2M1543-28#14504#14532
25.2M → Finish7551+24#14532#14508
TOTALS2765703+2062
📊

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