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BOSTON MARATHON 2023

Lindsey Norris

Bib: 18750•F

MS

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 37%
Masters (Masters Women)
#0 / 6539
Top 23%
Division (F40-44)
#0 / 1878
Top 42%
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
8:10/mi
25:21
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
50:17
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:15:18
↑ 67↓ 78
20K· 12.43 mi
7:59/mi
1:40:07
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:45:29
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
2:04:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:09/mi
2:30:04
↑ 181↓ 1480.2%
20M
8:15/mi
2:41:16
↑ 64↓ 500.2%
21M
8:55/mi
2:50:11
↑ 106↓ 241.6%
35K· 21.75 mi
10:39/mi
2:58:09
↑ 17↓ 861.7%
23M
8:02/mi
3:08:13
↑ 23↓ 630.6%
24M
8:03/mi
3:16:16
↓ 821.3%
40K· 24.85 mi
8:42/mi
3:23:42
↓ 200.3%
25.2M
9:34/mi
3:27:00
↑ 13↓ 160.2%
Finish· 26.22 mi
8:27/mi
3:35:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:29
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:50:08
Pace8:24 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3025:218:1025:21
8:10
-
10K
6.21 mi11:41:2650:178:0624:56
8:02
-0:08
15K
9.32 mi12:06:271:15:188:0525:01
8:03
+0:01
20K
12.43 mi12:31:161:40:078:0324:49
7:59
-0:04
Half
13.11 mi12:36:381:45:298:035:22
7:52
-0:07
25K
15.53 mi12:55:532:04:448:0219:15
7:56
+0:04
30K
18.64 mi13:21:132:30:048:0325:20
8:09
+0:13
20M
20.00 mi13:32:252:41:168:0411:12
8:15
+0:06
21M
21.00 mi13:41:202:50:118:068:55
8:55
+0:40
35K
21.75 mi13:49:182:58:098:117:58
10:39
+1:44
23M
23.00 mi13:59:223:08:138:1110:04
8:02
-2:37
24M
24.00 mi14:07:253:16:168:118:03
8:03
+0:01
40K
24.85 mi14:14:513:23:428:127:26
8:42
+0:39
25.2M
25.20 mi14:18:093:27:008:133:18
9:34
+0:52
Finish
26.22 mi14:26:463:35:378:148:37
8:27
-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

7:52 /mi

Average Pace

8:14 /mi

Slowest Pace

10:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:08:00

87% of race

Time at Slower Pace

27:37

13% of race

Average Pace: 8:13 /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 mi11:16:3025:218:1025:21
8:10
#15150
10K
6.21 mi11:41:2650:178:0624:56
8:02
#15064
15K
9.32 mi12:06:271:15:188:0525:01
8:03
#14982
20K
12.43 mi12:31:161:40:078:0324:49
7:59
#14529
Half
13.11 mi12:36:381:45:298:035:22
7:52
#14480
25K
15.53 mi12:55:532:04:448:0219:15
7:56
#14092
30K
18.64 mi13:21:132:30:048:0325:20
8:09
#13679
20M
20.00 mi13:32:252:41:168:0411:12
8:15
#13545
21M
21.00 mi13:41:202:50:118:068:55
8:55
#13490
35K
21.75 mi13:49:182:58:098:117:58
10:39
#14099
23M
23.00 mi13:59:223:08:138:1110:04
8:02
#13836
24M
24.00 mi14:07:253:16:168:118:03
8:03
#13725
40K
24.85 mi14:14:513:23:428:127:26
8:42
#13737
25.2M
25.20 mi14:18:093:27:008:133:18
9:34
#13769
Finish
26.22 mi14:26:463:35:378:148:37
8:27
#13807
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi151504740474014823(Top 56%)4580(Top 40%)4580(Top 244%)
10K6.21 mi3.10 mi15064+864687+534687+5315001(Top 56%)4674(Top 41%)4674(Top 249%)
15K9.32 mi3.11 mi14982+824652+354652+3514823(Top 56%)4580(Top 40%)4580(Top 244%)
20K12.43 mi3.11 mi14529+4534384+2684384+26813327(Top 50%)3725(Top 33%)3725(Top 198%)
Half13.11 mi0.68 mi14480+494360+244360+2413397(Top 50%)3746(Top 33%)3746(Top 199%)
25K15.53 mi2.42 mi14092+3884167+1934167+19312253(Top 46%)3231(Top 28%)3231(Top 172%)
30K18.64 mi3.11 mi13679+4133947+2203947+22012045(Top 45%)3213(Top 28%)3213(Top 171%)
20M20.00 mi1.36 mi13545+1343888+593888+5912000(Top 45%)3286(Top 29%)3286(Top 175%)
21M21.00 mi1.00 mi13490+553869+193869+1912960(Top 49%)3924(Top 34%)3924(Top 209%)
35K21.75 mi0.75 mi14099-6094259-3904259-39022673(Top 85%)9403(Top 82%)9403(Top 501%)
23M23.00 mi1.25 mi13836+2634123+1364123+13610079(Top 38%)2556(Top 22%)2556(Top 136%)
24M24.00 mi1.00 mi13725+1114082+414082+4111623(Top 44%)3401(Top 30%)3401(Top 181%)
40K24.85 mi0.85 mi13737-124106-244106-2414483(Top 54%)5013(Top 44%)5013(Top 267%)
25.2M25.20 mi0.35 mi13769-324137-314137-3115518(Top 58%)5579(Top 49%)5579(Top 297%)
Finish26.22 mi1.02 mi13807-384174-374174-3715138(Top 57%)5327(Top 47%)5327(Top 284%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14823

Females

4580

F40-44

4580

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15001

Females

4674

F40-44

4674

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14823

Females

4580

F40-44

4580

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

13327

Females

3725

F40-44

3725

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13397

Females

3746

F40-44

3746

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12253

Females

3231

F40-44

3231

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12045

Females

3213

F40-44

3213

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12000

Females

3286

F40-44

3286

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

12960

Females

3924

F40-44

3924

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

22673

Females

9403

F40-44

9403

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10079

Females

2556

F40-44

2556

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11623

Females

3401

F40-44

3401

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14483

Females

5013

F40-44

5013

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15518

Females

5579

F40-44

5579

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15138

Females

5327

F40-44

5327

Passing Analysis

Category:
Athletes Passed
2759
Passed By
1416
Net Change
+1343
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15150
5K → 10K343257+86#15150#15064
10K → 15K221139+82#15064#14982
15K → 20K48027+453#14982#14529
20K → Half6112+49#14529#14480
Half → 25K40012+388#14480#14092
25K → 30K44229+413#14092#13679
30K → 20M16228+134#13679#13545
20M → 21M11964+55#13545#13490
21M → 35K3612-609#13490#14099
35K → 23M2696+263#14099#13836
23M → 24M13019+111#13836#13725
24M → 40K5365-12#13725#13737
40K → 25.2M2153-32#13737#13769
25.2M → Finish5593-38#13769#13807
TOTALS27591416+1343
📊

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