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BOSTON MARATHON 2023

Katherine Gage

MA

Bib: 20492 F

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 30%
Division (F45-49)
#0 / 1817
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:30/mi
26:24
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:17/mi
52:07
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:15/mi
1:17:44
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:13/mi
1:43:16
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:07/mi
1:48:48
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:15/mi
2:08:49
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:36/mi
2:35:32
↑ 181↓ 1480.2%
138 ft elev
20M
8:34/mi
2:47:10
↑ 64↓ 500.2%
148 ft elev
21M
8:59/mi
2:56:09
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:13/mi
3:02:18
↑ 17↓ 861.7%
156 ft elev
23M
8:22/mi
3:12:47
↑ 23↓ 630.6%
116 ft elev
24M
8:20/mi
3:21:07
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:22/mi
3:28:16
↓ 200.3%
20 ft elev
25.2M
9:05/mi
3:31:24
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:12/mi
3:39:45
↑ 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
Time1:48:48
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:50:57
Pace8:28 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2226:248:3026:24
8:30
-
10K
6.21 mi11:48:0552:078:2325:43
8:17
-0:13
15K
9.32 mi12:13:421:17:448:2025:37
8:15
-0:02
20K
12.43 mi12:39:141:43:168:1925:32
8:13
-0:02
Half
13.11 mi12:44:461:48:488:185:32
8:07
-0:06
25K
15.53 mi13:04:472:08:498:1820:01
8:15
+0:08
30K
18.64 mi13:31:302:35:328:2126:43
8:36
+0:21
20M
20.00 mi13:43:082:47:108:2111:38
8:34
-0:02
21M
21.00 mi13:52:072:56:098:238:59
8:59
+0:25
35K
21.75 mi13:58:163:02:188:236:09
8:13
-0:46
23M
23.00 mi14:08:453:12:478:2310:29
8:22
+0:09
24M
24.00 mi14:17:053:21:078:238:20
8:20
-0:02
40K
24.85 mi14:24:143:28:168:237:09
8:22
+0:02
25.2M
25.20 mi14:27:223:31:248:233:08
9:05
+0:43
Finish
26.22 mi14:35:433:39:458:238:21
8:12
-0:53

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

8:07 /mi

Average Pace

8:23 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:38

94% of race

Time at Steady Pace

12:07

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:23 /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 mi11:22:2226:248:3026:24
8:30
#17548
10K
6.21 mi11:48:0552:078:2325:43
8:17
#17128
15K
9.32 mi12:13:421:17:448:2025:37
8:15
#16790
20K
12.43 mi12:39:141:43:168:1925:32
8:13
#16356
Half
13.11 mi12:44:461:48:488:185:32
8:07
#16276
25K
15.53 mi13:04:472:08:498:1820:01
8:15
#15985
30K
18.64 mi13:31:302:35:328:2126:43
8:36
#15772
20M
20.00 mi13:43:082:47:108:2111:38
8:34
#15611
21M
21.00 mi13:52:072:56:098:238:59
8:59
#15443
35K
21.75 mi13:58:163:02:188:236:09
8:13
#15366
23M
23.00 mi14:08:453:12:478:2310:29
8:22
#15175
24M
24.00 mi14:17:053:21:078:238:20
8:20
#15084
40K
24.85 mi14:24:143:28:168:237:09
8:22
#14968
25.2M
25.20 mi14:27:223:31:248:233:08
9:05
#14927
Finish
26.22 mi14:35:433:39:458:238:21
8:12
#14875
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi175486283628316187(Top 61%)5403(Top 47%)5403(Top 297%)
10K6.21 mi3.10 mi17128+4206004+2796004+27916773(Top 63%)5730(Top 50%)5730(Top 315%)
15K9.32 mi3.11 mi16790+3385787+2175787+21716187(Top 61%)5403(Top 47%)5403(Top 297%)
20K12.43 mi3.11 mi16356+4345525+2625525+26215095(Top 57%)4772(Top 42%)4772(Top 263%)
Half13.11 mi0.68 mi16276+805471+545471+5415250(Top 57%)4835(Top 42%)4835(Top 266%)
25K15.53 mi2.42 mi15985+2915328+1435328+14314657(Top 55%)4625(Top 40%)4625(Top 255%)
30K18.64 mi3.11 mi15772+2135235+935235+9314923(Top 56%)4882(Top 43%)4882(Top 269%)
20M20.00 mi1.36 mi15611+1615159+765159+7614032(Top 53%)4432(Top 39%)4432(Top 244%)
21M21.00 mi1.00 mi15443+1685086+735086+7313353(Top 50%)4140(Top 36%)4140(Top 228%)
35K21.75 mi0.75 mi15366+775047+395047+3913644(Top 51%)4379(Top 38%)4379(Top 241%)
23M23.00 mi1.25 mi15175+1914950+974950+9712445(Top 47%)3775(Top 33%)3775(Top 208%)
24M24.00 mi1.00 mi15084+914906+444906+4413470(Top 51%)4380(Top 38%)4380(Top 241%)
40K24.85 mi0.85 mi14968+1164858+484858+4812515(Top 47%)3956(Top 35%)3956(Top 218%)
25.2M25.20 mi0.35 mi14927+414842+164842+1613083(Top 49%)4281(Top 37%)4281(Top 236%)
Finish26.22 mi1.02 mi14875+524834+84834+813423(Top 50%)4427(Top 39%)4427(Top 244%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

16187

Females

5403

F45-49

5403

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

16773

Females

5730

F45-49

5730

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

16187

Females

5403

F45-49

5403

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

15095

Females

4772

F45-49

4772

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

15250

Females

4835

F45-49

4835

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

14657

Females

4625

F45-49

4625

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

14923

Females

4882

F45-49

4882

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14032

Females

4432

F45-49

4432

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13353

Females

4140

F45-49

4140

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13644

Females

4379

F45-49

4379

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12445

Females

3775

F45-49

3775

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13470

Females

4380

F45-49

4380

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12515

Females

3956

F45-49

3956

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13083

Females

4281

F45-49

4281

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13423

Females

4427

F45-49

4427

Passing Analysis

Category:
Athletes Passed
3171
Passed By
498
Net Change
+2673
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17548
5K → 10K583163+420#17548#17128
10K → 15K41274+338#17128#16790
15K → 20K45420+434#16790#16356
20K → Half888+80#16356#16276
Half → 25K31322+291#16276#15985
25K → 30K29582+213#15985#15772
30K → 20M17413+161#15772#15611
20M → 21M17911+168#15611#15443
21M → 35K9013+77#15443#15366
35K → 23M20615+191#15366#15175
23M → 24M10514+91#15175#15084
24M → 40K12812+116#15084#14968
40K → 25.2M5110+41#14968#14927
25.2M → Finish9341+52#14927#14875
TOTALS3171498+2673
📊

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